検索結果 1,116 件

丹羽 雄一郎, 舘石 和雄, 判治 剛, 清水 優 鋼構造論文集 31 (121), 121_115-121_126, 2024-03-29

<p>In this study, as a preventive maintenance method against root cracks at welded joints of cover plates, the tap bolt joint method with tap holes in both plates was proposed based on the concept …

DOI

唐澤 海宏, 田村 洋, 小室 雅人, 宮嵜 靖大, 田中 賢太 鋼構造論文集 31 (121), 121_27-121_42, 2024-03-29

<p>This paper presents the results of material tests and analyses to support the selection of constitutive laws and material parameters for reproducing the cyclic elasto-plastic behavior of SBHS500, …

DOI

上野 朋也, 聲高 裕治, 伊藤 冬樹, 内田 衞 鋼構造論文集 31 (121), 121_1-121_16, 2024-03-29

<p>To investigate the behavior of composite beams under lateral-torsional buckling, a numerical model with rotational and horizontal springs, which consider the restraint by concrete floor slab, at …

DOI

古川 幸, 岩見 遼平, 木村 祥裕 鋼構造論文集 31 (121), 121_143-121_157, 2024-03-29

<p>Numerous damages of steel roof bearing connection of RC gymnasia have been reported at recent major earthquakes. One of major failure modes is concrete break-out failure due to a lack of edge …

DOI

杉本 悠真 鋼構造論文集 31 (121), 121_43-121_55, 2024-03-29

<p>This study focuses on the joints of an earth-retaining beam joints. In this study, the effects of errors in the initial bolt axial force and bolt hole misalignment on joint performance and …

DOI

児玉 拓夢, 尾崎 文宣 鋼構造論文集 31 (121), 121_88-121_100, 2024-03-29

<p>In this study, shear-loaded experiments on 4.8, 8.8, and 12.9 class bolts were conducted under both elevated temperatures and ambient temperature after heating and cooling processes. The test …

DOI

山崎 諒介, 松村 政秀, 東山 浩士, 野阪 克義, 八木 知己, 小野 潔 鋼構造論文集 31 (121), 121_127-121_142, 2024-03-29

<p>In recent years, SBHS500 (Steels for Bridge High-performance Structure) has been standardized in Japanese Industrial Standards and in Japanese Design Specifications for Highway Bridges. Compared …

DOI

山本 佑大, 森山 仁志, 高井 俊和, 佐倉 亮, 山口 隆司 鋼構造論文集 31 (121), 121_56-121_71, 2024-03-29

<p>Bolted joints of prominent-size members require many bolts because the slip and after-slip resistance decrease proportionally to the number of bolts. Unevenness of the load transfer ratio and …

DOI

後藤 勝彦 鋼構造論文集 31 (121), 121_101-121_114, 2024-03-29

<p>The purpose of this study is to investigate the out-of-plane deformation of splice plates in the high strength bolted friction joint under compression load. Compression tests of high strength …

DOI

堀澤 英太郎, 杉浦 邦征, 北根 安雄, 五井 良直 鋼構造論文集 31 (121), 121_17-121_26, 2024-03-29

<p>This paper discusses residual strain accumulation of stainless steel under cyclic tensile loading. In fatigue tests of stainless steel carried out by the authors, the phenomenon of increased …

DOI

清水 優, 判治 剛, 内田 大介, 服部 雅史, 𠮷田 黎 鋼構造論文集 31 (121), 121_72-121_87, 2024-03-29

<p>Many fatigue tests have been conducted to reproduce a root crack in deck-to-U rib welded joints and to investigate its fatigue durability. Nevertheless, no unified fatigue strength evaluation …

DOI

小西 美里, 山口 隆司, 林 厳, 吉見 正頼 鋼構造論文集 30 (120), 120_87-120_99, 2024-01-26

<p>Previous studies have been conducted on double frictional joints using high strength countersunk head bolts, including bolt head opening angles and torshear type high strength bolt. In order to …

DOI

森山 仁志, 木村 勇次, 山口 隆司, 津﨑 兼彰, 増田 浩志, 長崎 英二, 秦 子策 鋼構造論文集 30 (120), 120_115-120_127, 2024-01-26

<p>Our research group has been developing 1,700 MPa class ultra-high-strength bolts and will try to rationalize bolted connections with the bolts. This study conducted mass production of 1,700 MPa …

DOI

松本 理佐, 石川 敏之, 清川 昇悟, 北根 安雄 鋼構造論文集 30 (120), 120_75-120_86, 2024-01-26

<p>A drilling stop-hole is a tentative repair method for fatigue cracks. Some of the authors have proposed the method to reduce the stress concentration at stop-hole edge by bolting a crack. In the …

DOI

浅野 貴弘, 石田 健人, 山口 隆司, 松本 崇志, 浅野 文佳 鋼構造論文集 30 (120), 120_47-120_62, 2024-01-26

<p>In this study, it focused on the thin mortar layer applied to adjust the height of precast PC slab and steel girder. The effect of the thickness of thin mortar layer and the arrangement of headed …

DOI

梅國 章 鋼構造論文集 30 (120), 120_1-120_8, 2024-01-26

<p>This research has aimed to construct the fully automated high speed joining system with the end of the joining instantaneously, and enabling the application of the flash welding which does not …

DOI

趙 賢陳, 尾崎 文宣, 佐藤 由悟, 宮林 航希 鋼構造論文集 30 (120), 120_63-120_74, 2024-01-26

<p>In this study, loaded fire resistance tests for a simple supported small-scale roof member specimen using a corrugated steel thin plate were conducted to clarify the basic fire resistance …

DOI

橋本 国太郎, 二宮 智大, 杉浦 邦征 鋼構造論文集 30 (120), 120_101-120_114, 2024-01-26

<p>This study purposed the validity of the total stress evaluation method by core sampling from steel bridges. Core-pulling experiments using a full-scale steel girder and a loading device was …

DOI

山下 良, 李 若曦, 山口 隆司, 白井 悠吾 鋼構造論文集 30 (120), 120_9-120_18, 2024-01-26

<p>The cast iron deck is a lightweight deck slab with excellent fatigue resistance. There is a problem that the deck is separated when negative bending acts on the joint. As a countermeasure, we …

DOI

森山 仁志, 橋本 達也, 郎 宇, 山口 隆司, 田畑 晶子 鋼構造論文集 30 (120), 120_31-120_46, 2024-01-26

<p>Corrosion of hexagonal high-strength nuts used in infrastructures like steel bridges quickly occurs owing to the corner's thin coating, therefore becoming a burden on the maintenance system. This …

DOI

池田 未来, 山口 隆司, 新井 進太郎 鋼構造論文集 30 (120), 120_19-120_30, 2024-01-26

<p>This research has aimed to construct the fully automated high speed joining system with the end of the joining instantaneously, and enabling the application of the flash welding which does not …

DOI

申 啓航, 山口 隆司, 山本 佑大, 石黒 陽菜, 奥村 学 鋼構造論文集 30 (119), 119_1-119_15, 2023-09-26

<p>As a reinforcement method for steel bridges, the patch plate reinforcement using high-strength stud bolts has been developed. However, the method of determining the number of bolts and patch …

DOI

平塚 慶達, 野口 堅冬, 川島 泰之, 岩崎 英治 鋼構造論文集 30 (119), 119_43-119_55, 2023-09-26

<p>When attaching members with high strength bolts, the filler plate is processed to have projections and is sandwiched between the new members to ensure the coefficient of slip without removing the …

DOI

畑中 祐紀, 桑原 進 鋼構造論文集 30 (119), 119_33-119_42, 2023-09-26

<p><font face="roman"><tt>Recently, seismically isolated buildings are required to secure a safety margin against extreme ground motions. A possible countermeasure is to install a fail-safe …

DOI

朝川 剛, 小早川 裕太, 深澤 協三, 宮津 裕次, 山川 誠 鋼構造論文集 30 (119), 119_17-119_32, 2023-09-26

<p>A new type of PC steel bar brace for moment resistance steel frames has been proposed, which is called Displacement Restraint PC steel bar Brace (DRB). Prestressed disc springs at the ends of the …

DOI

髙森 敦也, 宮下 剛 鋼構造論文集 30 (119), 119_57-119_72, 2023-09-26

<p>Repair and reinforcement using CFRP sheets is currently being promoted for corrosion damage of steel bridges. On the other hand, it is expected that the limit state design method will be applied …

DOI

申 啓航, 彭 雪, 山本 佑大, 奥村 学, 山口 隆司 鋼構造論文集 30 (119), 119_73-119_86, 2023-09-26

<p>The patch plate reinforcement is currently being designed based on the crosssectional area ratio, but in reality, the load sharing ratio of the patch plate does not match the cross-sectional area …

DOI

橋本 達也, 森山 仁志, 林 厳, 山口 隆司, 吉見 正頼 鋼構造論文集 30 (118), 118_45-118_56, 2023-06-26

<p>This paper investigated the influences of various structural configurations like the grip length and drilled hole shape on the stress concentrations of a non-projected and sandglass-shaped bolt …

DOI

宮嵜 靖大, 星野 由, 志村 保美 鋼構造論文集 30 (118), 118_15-118_27, 2023-06-26

<p>In this study, the tensile strength characteristics of welded joints with and without corrosion are experimentally investigated by accelerated corrosion testing of specimens butt-welded with …

DOI

石田 健人, 松本 崇志, 山口 隆司, 浅野 貴弘 鋼構造論文集 30 (118), 118_1-118_14, 2023-06-26

<p>In order to replace the RC deck of steel main girder, reinforcement of steel main girder is needed depending on the construction condition. In such case, the patch plates jointed by high strength …

DOI

梅田 敏弘, 宋 勇勲, 大庭 諒介, 沖 晃司, 藤沢 清二, 波川 智明, 石井 匠, 森田 耕次 鋼構造論文集 30 (118), 118_29-118_43, 2023-06-26

<p>This paper deals with electro-slag weld (ESW) joint of built-up box section column with TMCP steel. The objective is to clarify the effect of thickness of column skin-plate on toughness of ESW …

DOI

秀熊 佑哉, 宮下 剛, 大垣 賀津雄, 服部 雅史, 櫻井 俊太, 高原 良太 鋼構造論文集 30 (117), 117_27-117_41, 2023-03-26

<p>Compression tests were conducted on CFRP strengthened short steel columns with H-shaped and rectangular cross-sections to target the seismic retrofit of truss bridges. The experimental parameters …

DOI

森岡 宙光, 中野 達也, 木下 智裕, 橋本 直央, 大庭 諒介 鋼構造論文集 30 (117), 117_43-117_55, 2023-03-26

<p>This study is a development of the exterior diaphragm whose protrusion depth is smaller than conventional ones for applying to the high strength steel box-section column. In this paper, the …

DOI

岩下 慎吾, 野上 邦栄, 中村 一史 鋼構造論文集 30 (117), 117_1-117_11, 2023-03-26

<p>In this decade, several 4-span suspension bridges were constructed or being under construction as a choice of economical bridge type. Although, there is a problem that the deflection of the …

DOI

秀熊 佑哉, 宮下 剛, 髙森 敦也, 奥山 雄介, 大垣 賀津雄, 垣尾 道夫 鋼構造論文集 30 (117), 117_13-117_26, 2023-03-26

<p>In this study, the buckling load capacity of steel circular pipes with carbon fiber was investigated to repair or strengthen them when they are damaged by corrosion or need reinforcement. In …

DOI

申, 啓航, 山口, 隆司, 栗田, 康弘, 松下, 裕明, 奥村, 学, 竹内, 正一 鋼構造論文集 29 (116), 41-54, 2022-12-26

鋼構造論文集. 2022, 29 (116), P.41-54

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嶋川 理, 堀口 俊行, 別府 万寿博, 香月 智 鋼構造論文集 29 (116), 116_29-116_39, 2022-12-26

<p>This study estimates the collapse mechanism of an experiment that reproduces the destruction case of a steel open sabo dam using distinct element method (so called, DEM). In the experiment, a …

DOI

大塚 貴弘, 松田 和浩, 大高 範寛 鋼構造論文集 29 (116), 116_67-116_76, 2022-12-26

<p>This paper investigated about the ultimate bending moment for corroded steel sheet pile. At first, we examined the corrosion shape of constructed steel sheet pile, and we idealized the corrosion …

DOI

申 啓航, 山口 隆司, 栗田 康弘, 松下 裕明, 奥村 学, 竹内 正一 鋼構造論文集 29 (116), 116_41-116_54, 2022-12-26

<p>As a reinforcing method for orthotropic steel decks, the U-rib cutting method has been proposed, in which the welding area between the U-rib and the deck plate is cut and reinforcing plate is …

DOI

朱 振華, 後藤 勝彦, 友清 衣利子, 山成 實 鋼構造論文集 29 (116), 116_1-116_12, 2022-12-26

<p>This paper investigated the effect of natural period ratio of RC frame to steel roof on seismic response of steel roof construction with brim-slab installed with friction dampers. A modeling of …

DOI

遠藤 慎也, 川崎 恵梨, 多賀 謙藏, 藤谷 秀雄 鋼構造論文集 29 (116), 116_55-116_66, 2022-12-26

<p>In recent years, in the design of high-rise steel-framed buildings in Japan, a passive controlled structure that adds dampers is often used to reduce the building response in the event of an …

DOI

藤根 和弘, 聲高 裕治, 森岡 宙光, 木下 智裕 鋼構造論文集 29 (116), 116_13-116_28, 2022-12-26

<p>We have developed a beam-to-column connection which has small projection exterior diaphragms using thicker steel plates than the conventional ones. This study aims to propose a rational design …

DOI

杉本, 悠真, 山口, 隆司 鋼構造論文集 29 (115), 65-79, 2022-09-26

鋼構造論文集. 2022, 29 (115), P.65-79

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浅野, 貴弘, 浅野, 文佳, 山口, 隆司, 石田, 健人, 松本, 崇志 鋼構造論文集 29 (115), 81-94, 2022-09-26

鋼構造論文集. 2022, 29 (115), P.115_81-115_94

機関リポジトリ HANDLE

斎藤 慶太, 中澤 祥二 鋼構造論文集 29 (115), 115_1-115_11, 2022-09-26

<p>The purpose of this paper is an analysis in assessing the damage of a building when the durability of the structure changes. The target structure is a steel-framed medium and low-rise office …

DOI

石川 敏之, 五味 亨介, 秀熊 佑哉, 堂垣 正博 鋼構造論文集 29 (115), 115_53-115_64, 2022-09-26

<p>The purpose of this study is to clarify the effect of CFRP bonding on the elastic buckling load of steel plates when the elastic putty is inserted. First, uniaxial compression tests were …

DOI

韓 錫鉉, 尾崎 文宣, 多田 健次, 鈴木 淳一 鋼構造論文集 29 (115), 115_13-115_24, 2022-09-26

<p>In this study, bolt axial tension force and slip strength for high-strength bolted connections after heating and cooling processes were investigated by using an ultrasonic measuring unit and the …

DOI

坂本 佳也, 上仙 靖, 玉越 隆史 鋼構造論文集 29 (115), 115_25-115_37, 2022-09-26

<p>It is not clear how to take measures other than replacing when the cable covered with polyethylene is damaged for some reason and the inside of cable is in a corrosive environment. In this paper, …

DOI

杉本 悠真, 山口 隆司 鋼構造論文集 29 (115), 115_65-115_79, 2022-09-26

<p>Recently, there has been an increase in the number of studies on high-strength bolt tension joints using FE analysis, and it is important to create guidance on how to create an analytical model …

DOI

浅野 貴弘, 浅野 文佳, 山口 隆司, 石田 健人, 松本 崇志 鋼構造論文集 29 (115), 115_81-115_94, 2022-09-26

<p>In this study, in order to clarify the composite action between main girder and precast slab with thin mortar layer, positive bending experiment was carried out with headed stud spacing as a …

DOI

川村 弘昌, 山口 佑佳, 野阪 克義, 伊津野 和行 鋼構造論文集 29 (115), 115_39-115_51, 2022-09-26

<p>This study investigated a seismic retrofitting design method using carbon fiber reinforced plastics for steel truss bridge members. A series of compression loading tests were conducted on …

DOI

島野 幸弘, 宇佐美 徹 鋼構造論文集 29 (114), 114_23-114_36, 2022-06-27

<p>In this paper, we present the basic structural characteristic of steel frames with studs. Specifically, the structural characteristics to be presented are restoring force characteristics …

DOI

郎 宇, 森山 仁志, 山口 隆司 鋼構造論文集 29 (114), 114_1-114_10, 2022-06-27

<p>Countersunk head bolts can secure thickness of corrosion preventive coating with its flat head and improve anticorrosive properties of bolted connections. In this study, for utilizing its …

DOI

大浦 涼雅, 有村 健太郎, 山口 隆司 鋼構造論文集 29 (114), 114_11-114_22, 2022-06-27

<p>Bridges are composed by many structural members which interact with each other to resist against various load combinations. In the present study, a full-scale FE analysis has been conducted for a …

DOI

白井 悠吾, 林 厳, 松井 駿, 山口 隆司, 山下 良, 飛永 浩伸 鋼構造論文集 29 (114), 114_37-114_46, 2022-06-27

<p>The cast iron deck modules is a lightweight deck slab with excellent fatigue resistance. Friction joint are used to join the cast iron deck modules and the main girder. In this study, the effect …

DOI

川上 峻幸, 渡辺 孝一, 田中 啓太 鋼構造論文集 29 (114), 114_47-114_56, 2022-06-27

<p>If a severe earthquake strike a steel bridge bearing, and the bridge loses its function, it is necessary to restore the function of the bridge as soon as possible. However, in the 2016 Kumamoto …

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PHAN Quoc Tuan, 河野 守 鋼構造論文集 29 (114), 114_57-114_68, 2022-06-27

<p>This paper develops a methodology to investigate the creep behavior of high yield point steels YP400 and YP500 at high temperatures using the finite element program Abaqus. The creep models …

DOI

広野 邦彦, 藤井 乾, 中村 聖三 鋼構造論文集 29 (114), 114_69-114_78, 2022-06-27

<p>In this study, we experimentally investigated the possibility of extending the time interval between blasting and Al-5Mg alloy spraying, which should be less than 4 hours according to the current …

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三宅 皓一朗, 高塚 康平 鋼構造論文集 29 (113), 113_15-113_30, 2022-03-25

<p>This paper investigates the effect of beam section size and of beam-to-column connection type for mechanical behavior around the moment connection with FEM analysis. Firstly the bending moment of …

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内田 大介, 関根 英人, 網谷 岳夫, 森 猛 鋼構造論文集 29 (113), 113_55-113_64, 2022-03-25

<p>In this study, we consider using large-diameter bolts for the standard thickness joints used in railway structures and making the minimum center spacing of the bolts smaller than the current …

DOI Web Site

岡野 成威, 廣畑 幹人, 望月 正人 鋼構造論文集 29 (113), 113_31-113_39, 2022-03-25

<p>An advanced mechanical properties estimation with instrumented indentation technique (IIT) using spherical indenter was applied to steels used in aged bridges. First, the effect of surface …

DOI

野澤 修平, 廣畑 幹人 鋼構造論文集 29 (113), 113_41-113_54, 2022-03-25

<p>For investigating the applicability of shell elements for FE analysis of distortion and residual stress generated by fillet welding, a series of experiments and numerical analyses were carried …

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梯 誌修, 藤木 剛, 中村 聖三, 山本 郁夫, 中島 貞治 鋼構造論文集 29 (113), 113_65-113_73, 2022-03-25

<p>Due to the revision of the law, it became mandatory to conduct close visual inspection for all bridges every five years in 2014. Cables in cable-stayed bridges have been inspected visually using …

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陳 瑜, 山口 隆司, 山内 誉史, 上野 慶太, 林 厳 鋼構造論文集 29 (113), 113_1-113_14, 2022-03-25

<p>Currently, the remaining riveted bridges are almost over 60 years old. Therefore, the rivets are corroded and loosen over time, deteriorated the condition of the bridges further. Previous studies …

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PUTRI Cut Atika, 舘石 和雄, 清水 優, 判治 剛 鋼構造論文集 28 (112), 112_111-112_116, 2021-12-20

<p>In this study, fatigue crack growth was retarded by injecting corrosion accelerator, Nitric acid (HNO₃), into the crack to induce corrosion. The presence of the corrosion products is …

DOI Web Site

谷本 竜也, 吉田 雅彦, 林 承燦, 鈴木 康夫, 松村 政秀, 杉浦 邦征 鋼構造論文集 28 (112), 112_53-112_62, 2021-12-20

<p>Corrosion protection of steel structures is a key for a long-term use of them and blast cleaning is generally used as surface preparation in recoating a deteriorated paint coating of steel …

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前田 健児, 鈴木 啓悟, 近藤 泰光 鋼構造論文集 28 (112), 112_25-112_35, 2021-12-20

<p>Effective bridge management can be achieved by grasping salt damage locally and taking a maintenance strategy according to the corrosive environment classification of the area. The purpose of …

DOI

有村 健太郎, 大浦 涼雅, 山口 隆司 鋼構造論文集 28 (112), 112_1-112_12, 2021-12-20

<p>The main girders in a steel I girder bridge are connected with the slab, sway bracings and cross frames behaving together as a system. These members do not behave independently but behave as a …

DOI

飯田 哲也, 杉浦 邦征, 山口 隆司, 北根 安雄, 織田 博孝 鋼構造論文集 28 (112), 112_63-112_74, 2021-12-20

<p>This paper focuses on the residual performance of high-strength bolt friction joints, a typical joining method for steel bridges. In this study, the residual axial forces of high-strength …

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廖 望, 吉野 裕貴, 木村 祥裕 鋼構造論文集 28 (112), 112_101-112_110, 2021-12-20

<p>Non-structural elements such as folded roof plates are usually set up on the upper flange of main beams. Previous study shown that non-structural elements have bracing effect to lateral buckling …

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山本 亨介, 村越 潤, 上仙 靖 鋼構造論文集 28 (112), 112_89-112_100, 2021-12-20

<p>Fatigue damage cases in steel I-girder highway bridges have been reported mostly at main girders-cross member connection. These fatigue cracks are known as displacement-induced fatigue, and there …

DOI

小原 礼, 前田 諭志, 笹嶋 純司, 清川 昇悟 鋼構造論文集 28 (112), 112_13-112_24, 2021-12-20

<p>Fatigue cracks are initiated due to stress concentration and tensile residual stress existing at crack initiation point, and reducing these factors leads to enhanced fatigue strength of the …

DOI

諏訪 裕哉, 原田 幸博, 島田 侑子 鋼構造論文集 28 (112), 112_37-112_52, 2021-12-20

<p>The authors proposed a joint in which vertical double-rib plates are welded on the side of the steel pipe pile and the reinforcing bars connected with their edges. This method had increased the …

DOI

廣畑 幹人, 末廣 大地, 岡本 陽介, 中山 太士 鋼構造論文集 28 (112), 112_75-112_88, 2021-12-20

<p>For investigating riveting methods by using high-frequency induction heating (IH), a series of experiment was conducted. In the proposed methods, rivets were heated by IH before or after …

DOI Web Site

宮嵜 靖大, 星野 由, 大西 孝典, 志村 保美, 小林 裕輔, 澁谷 敦 鋼構造論文集 28 (111), 111_27-111_38, 2021-09-25

<p>In this study, the specimens made by tightening stainless steel high-strength bolt 10TSUS on carbon steel SM490Y plate were used. Also, epoxy resin plate and alumina spraying were adopted as the …

DOI

中谷 佳菜代, 三好 崇夫 鋼構造論文集 28 (111), 111_63-111_78, 2021-09-25

<p>It is well known that residual stresses and the geometric imperfection have an effect on the ultimate strength of steel structures. This study analyzed the change of residual stress and …

DOI

中原 智法, 廣畑 幹人, 豊嶋 大輝, 小西 日出幸 鋼構造論文集 28 (111), 111_51-111_62, 2021-09-25

<p>Applicability of paint-coating removal by using a heating device on bolted joints was investigated. The heating of 200 degrees Celsius by the arranged device as wrapping each bolt was effective …

DOI Web Site

片岡 佑太, 江頭 慶三, 四井 早紀, 伊津野 和行 鋼構造論文集 28 (111), 111_39-111_49, 2021-09-25

<p>Tsunami countermeasures of bridges have not been established yet, especially for the lift caused by water flow. This study proposed a new method to reduce lift by installing steel pipes on the …

DOI

六谷 拓真, 永田 和寿, 杉浦 邦征, 北原 武嗣 鋼構造論文集 28 (111), 111_119-111_127, 2021-09-25

<p>Steel structures constructed during the period of high economic growth have been aging for more than 50 years since construction, and corrosion has been found at the boundary of concrete in steel …

DOI

松尾 真太朗, 一戸 康生, 村上 行夫, 伊藤 浩資 鋼構造論文集 28 (111), 111_11-111_25, 2021-09-25

<p>The purpose of this study is to clarify the structural performance of concrete-filled box section column to beam connection panel made of ultra-high strength steel (H-SA700B) assembled by …

DOI

堀澤 英太郎, 杉浦 邦征, 北根 安雄 鋼構造論文集 28 (111), 111_107-111_117, 2021-09-25

<p>This paper shows fatigue strength of lean duplex stainless steel base metal. Lean duplex stainless steel is inexpensive by reducing the rare element Ni and has higher tensile strength than that …

DOI

中本 勇, 山口 隆司, 郎 宇, 堀岡 良則, 澁谷 敦 鋼構造論文集 28 (111), 111_1-111_9, 2021-09-25

<p>The authors focused on a highstrength bolt friction joint with a countersunk head that can smooth the joint surface and prevent functional deterioration due to corrosion. In this study, the slip …

DOI

小野 南帆, 聲高 裕治 鋼構造論文集 28 (111), 111_91-111_105, 2021-09-25

<p>Lateral-torsional buckling of a composite beam is observed after fracture of the headed studs and/or cone failure of the concrete slab around the studs occurs. This paper proposes a method to …

DOI

古川 愛子, 廣瀨 克也, 小林 亮介 鋼構造論文集 28 (111), 111_79-111_90, 2021-09-25

<p>In the maintenance of cable structures such as cable-stayed bridges, it is necessary to estimate the cable tension. In current practice, the cable tension is estimated from natural frequencies …

DOI

郎 宇, 山口 隆司, 森山 仁志, 藤林 美早, 吉見 正頼 鋼構造論文集 28 (110), 110_11-110_25, 2021-06-25

<p>This study focused on the opening angle of a countersunk head bolt which may have an effect on slip strength. By slip tests and Finite Element Analysis, it was found that as the opening angle …

DOI

善財 聖也, 近広 雄希, 清水 茂, 大上 俊之 鋼構造論文集 28 (110), 110_61-110_72, 2021-06-25

<p>This study presents the behaviour of a concrete-filled steel box column under the cyclic load. The concrete-filled tube (CFT) are often used in civil structures and highrisebuildings. Although …

DOI

福元 敏之, 森田 耕次, 津田 惠吾, 城戸 將江, 一戸 康生 鋼構造論文集 28 (110), 110_73-110_82, 2021-06-25

<p>This paper investigates cycling properties of the concrete-filled square steel tube (CFT) beam-columns to assess their number of cycles for limit state in the plastic region. Limit state for …

DOI

白髪 誠一, 後藤 翔, 田中 剛 鋼構造論文集 28 (110), 110_1-110_10, 2021-06-25

<p>In this study, tensile tests and bending tests were carried out to investigate elastic-plastic behavior of solid steel column joints by partial penetration groove weld. The bending tests results …

DOI

玉利 仁, 石川 敏之, 廣畑 幹人, 堤 成一郎 鋼構造論文集 28 (110), 110_51-110_60, 2021-06-25

<p>The authors proposed a technique for improving the fatigue strength of the weld root of sole plate by filling the resin. In this research, fatigue tests were carried out on sole plate specimens …

DOI

中込 忠男, 春日 智也, 金子 洋文 鋼構造論文集 28 (110), 110_39-110_49, 2021-06-25

<p>The cleavage fracture stress <i>_pσ_c</i> based on local fracture criterion is applied for evaluation index to grasp conditions of brittle fracture in previous …

DOI

小西 日出幸, 亀崎 誠志, 浅野 文佳, 山口 隆司, 堀井 いずみ, 土岐 宣寛 鋼構造論文集 28 (110), 110_83-110_96, 2021-06-25

<p>AASHTO shows the slip coefficient of the slotted holes is reduced by 40% from that of the normal holes, while the slip tests that conducted in Japan have shown the slip coefficient of the slotted …

DOI

足立 識文, 中平 和人, 高津 比呂人, 木下 智裕, 高田 宗則 鋼構造論文集 28 (110), 110_27-110_37, 2021-06-25

<p>Steel-Concrete composite beam (SC beam) using hat shaped steel section has been developed by authors. This beam makes it possible to omit stirrups, reinforcements for web openings, and concrete …

DOI

廖 望, 吉野 裕貴, 木村 祥裕 鋼構造論文集 28 (110), 110_97-110_109, 2021-06-25

<p>Non-structural elements such as rectangular corrugated roof plates are usually set up on the upper flange of beams. Previous study has shown that non-structural elements have bracing effect to …

DOI

清川 昇悟, 判治 剛, 加藤 遼二郎 鋼構造論文集 28 (109), 109_155-109_168, 2021-03-25

<p>The drilled crack-arrest hole and the attaching splices by high strength bolts are often used in combination as retrofit for fatigue cracks in steel structures. In this case, in order to evaluate …

DOI

木下 智裕, 山﨑 賢二, 野澤 裕和, 村上 行夫, 足立 識文, 中平 和人, 高津 比呂人, 奥野 雄一郎, 渡邊 誠司 鋼構造論文集 28 (109), 109_31-109_46, 2021-03-25

<p>Steel-Concrete composite beam (SC beam) using hat shaped steel section has been developed by authors. Appling the beam makes it possible to reduce or omit shear reinforcements, reinforcements for …

DOI

金子 健作 鋼構造論文集 28 (109), 109_23-109_30, 2021-03-25

<p>This paper proposes a nonlinear tuned mass damper (TMD) for reducing seismic damage to steel structures. This nonlinear TMD can be adaptively tuned according to the nonlinearity of a structure in …

DOI

川端 洋介, 中野 達也, 服部 和徳, 宗川 陽祐, 原田 幸博 鋼構造論文集 28 (109), 109_169-109_182, 2021-03-25

<p>This paper describes an experimental survey for the corner portion of the butt welding joints between through diaphragm-to-cold-formed square hollow section tube.The strength of the tube's steel …

DOI

前田 達彦, 山﨑 賢二, 福原 武史, 爰野 将児 鋼構造論文集 28 (109), 109_117-109_129, 2021-03-25

<p>The purpose of this study is to clarify strength and stiffness for nondiaphragm steel tubes used within RC column-Steel beam joints. This paper presents the results of tensile test for element …

DOI

酒井 武志, 北根 安雄, 池田 龍哉, 中嶋 浩之, 三ツ木 幸子 鋼構造論文集 28 (109), 109_47-109_62, 2021-03-25

<p>According to the Specifications for Highway Bridges, the slip coefficient of high-strength bolted friction type joints is specified as 0.4 when both of faying surfaces of the base metal and the …

DOI

八重垣 諒太, 石川 敏之, 清川 昇悟, 中辻 亘 鋼構造論文集 28 (109), 109_1-109_8, 2021-03-25

<p>Fatigue cracks are often repaired by the combination of drilled crack arrester (stop-hole) and patch plate with high-strength bolts. However, even in this method, cases of re-initiation of …

DOI

孫 光宇, 川崎 恵梨, 多賀 謙蔵 鋼構造論文集 28 (109), 109_89-109_102, 2021-03-25

<p>This study focus on the design of the velocity-dependent dampers in high-rise steel structures against long-period and long-duration ground motions，which is not involved in the conventional …

DOI

松尾 真太朗, 河野 昭彦, 一戸 康生, 村上 行夫, 伊藤 浩資 鋼構造論文集 28 (109), 109_131-109_144, 2021-03-25

<p>The purpose of this study is to clarify the structural performance of concrete-filled box section columns made of ultra-high strength steel (H-SA700B) assembled by undermatched welds. For this …

DOI

田口 実季, 藤江 渉, 伊藤 諒祐, 葛 漢彬 鋼構造論文集 28 (109), 109_145-109_154, 2021-03-25

<p>This study is aimed at improving a simple method for evaluating ductile crack initiation in stiffened box-sectional steel bridge piers by employing the pushover analysis. Following an idea …

DOI

岩井 祐希奈, 尾崎 文宣 鋼構造論文集 28 (109), 109_79-109_88, 2021-03-25

<p>In this paper, collapse temperature of steel plane frames considering fire spreads are discussed by using numerical analyses based on nonlinear finite element methods with beam elements. The …

DOI

渡部 慎也, 杉浦 邦征, 松村 政秀, 鈴木 康夫 鋼構造論文集 28 (109), 109_9-109_22, 2021-03-25

<p>Fatigue cracks of steel structures, which may bring significant damage on bridge safety, occur at near welded lines and at around sole plate. Early detection and repair of them can be a key and …

DOI

橋本 国太郎, 林 宏行, 川辺 直人, 渡邉 裕規, 清水 晋作 鋼構造論文集 28 (109), 109_103-109_116, 2021-03-25

<p>Recently, corrosion has been found in cables of cable system bridges. In the case of cable-stayed bridges with a few cables, corrosion may occur to collapse the bridge, therefore it is necessary …

DOI

清水 優, 舘石 和雄, 判治 剛, 青木 康素 鋼構造論文集 28 (109), 109_183-109_190, 2021-03-25

<p>Low-yield point steel has been used in seismic control dampers due to its high energy absorption ability. Meanwhile, thermal cycle during welding can change mechanical properties and …

DOI

松本 崇志, 小林 駿祐, 山口 隆司 鋼構造論文集 28 (109), 109_63-109_78, 2021-03-25

<p>Strengthening of the steel main girder by patch plate is standardly used in redecking. In the case of strengthening across the field connection, patch plate needs processed like a bypass …

DOI

足立 淳一, 山口 隆司, 新井 進太郎, 高尾 道明 鋼構造論文集 27 (108), 108_45-108_52, 2020-12-25

<p>In fabricating curved girders, automatic welding robots cannot be applied to welding of horizontal stiffeners to the web panel due to the girder curvature and manufacturing costs increase. …

DOI

Panjaitan Arief, 清水 優, 舘石 和雄, 判治 剛 鋼構造論文集 27 (108), 108_93-108_103, 2020-12-25

<p>Low cycle fatigue in steel caused by earthquakes can result in large cyclic strain failures. In the studies conducted to date, low cycle fatigue crack propagation has primarily been investigated …

DOI Web Site

徳橋 亮治, 宮田 秀太, 馬越 一也, 野中 哲也 鋼構造論文集 27 (108), 108_105-108_115, 2020-12-25

<p>In this study, the differences of the three-dimensional seismic response behaviors of the steel I girder bridges that constructed in many cases were clarified. And, The design issues of the steel …

DOI

小関 千尋, 田渕 基嗣, 藤沢 清二, 浅田 勇人, 田中 剛 鋼構造論文集 27 (108), 108_17-108_29, 2020-12-25

<p>CJP groove weld joints between column made of BCP325, and through-diaphragms were fabricated with CO₂ gas-shielded arc welding process with YGW18 electrode to examine the effect of …

DOI

杉本 悠真, 山口 隆司 鋼構造論文集 27 (108), 108_67-108_81, 2020-12-25

<p>The yield strength of high strength bolted T-stub joint has different definitions depending on design codes. In addition, the stress status at these yield strength points is not clarified. The …

DOI

小松 真吾, 山西 央朗, 高松 隆夫 鋼構造論文集 27 (108), 108_53-108_66, 2020-12-25

<p>Anti-symmetric Z-type NC braced frame is a new structural system that has seismic response reduction capability based on incremental torsional deformation. This torsional deformation is due to …

DOI

竹村 学, 杉浦 邦征 鋼構造論文集 27 (108), 108_1-108_15, 2020-12-25

<p>There is a method of bonding CFRP plate as a repair method for steel structures. In order to reduce the stress of the steel plate, it is necessary to bond the CFRP plate with sufficient bonding …

DOI

中村 毅, 石田 交広, 井川 直大 鋼構造論文集 27 (108), 108_83-108_91, 2020-12-25

<p>Lap joints are used for angle steel members in truss towers for power transmission. Buckling strength with lap joints decreases because of the additional bending moment due to eccentricity, but …

DOI 被引用文献1件

岡本 昌大, 濱地 南美, 田中 剛, 浅田 勇人, 小関 千尋, 藤沢 清二, 大庭 諒介, 田渕 基嗣 鋼構造論文集 27 (108), 108_31-108_43, 2020-12-25

<p>An increases in strength at the corner portion of cold-formed rectangular HSS due to its manufacturing process, may results in undermatched CJP welded joint at the corner regions. This paper …

DOI

藤沢 清二, 石井 匠, 下川 弘海, 原田 幸博, 梅田 敏弘, 荒木田 椋太, 森田 耕次 鋼構造論文集 27 (107), 107_23-107_32, 2020-09-25

<p>For TMCP steel of high-rise building frame, an electroslag welding (ESW), which is welding with high heat input, is adopted for the joints between interior diaphragms and plates of steel box …

DOI

木村 勇次, 増田 浩志, 山口 隆司, 長崎 英二, 森山 仁志, 津﨑 兼彰 鋼構造論文集 27 (107), 107_41-107_50, 2020-09-25

<p>1700 MPa-class ultra-high strength bolts were fabricated through quenching and tempering process after cold forming of a prototype steel with a chemical composition of Fe-0.5%C-2%Si-1%Cr-1%Mo (in …

DOI Web Site

稲葉 澄, 鈴木 琢也, 国本 陸斗 鋼構造論文集 27 (107), 107_1-107_7, 2020-09-25

<p>In recent years, there has been a permitted need for buildings that ensure robust and safety for earthquakes that exceed normal scope of assumptions. To achieve this, it is necessary to make …

DOI

三好 崇夫 鋼構造論文集 27 (107), 107_61-107_76, 2020-09-25

<p>Damages due to corrosion occur at girder end of rolled H-beam bridge which is managed by municipalities of Japan. Necessity of their repair or renewal should be rationally judged by their …

DOI

飯田 哲也, 杉浦 邦征, 山口 隆司, 鈴木 康夫, 吉津 宏夫, 森田 啓司, 織田 博孝 鋼構造論文集 27 (107), 107_9-107_21, 2020-09-25

<p>With the aging of civil infrastructures, it is urgent to propose more efficient and simple maintenance and management methods. Higher strength bolts have been known to lose axial force due to …

DOI

武田 典佳, 聲高 裕治 鋼構造論文集 27 (107), 107_97-107_107, 2020-09-25

<p>This paper proposes a prediction method of maximum in-plane response of flexible floor in single-story elastic structures with eccentricity. The relative lateral displacement between parallel …

DOI

伊藤 隼, 廣畑 幹人 鋼構造論文集 27 (107), 107_77-107_86, 2020-09-25

<p>For examining the applicability of Leeb hardness test to the estimation of echanical properties of steel bridge members, a series of experiment was carried out. The plate thickness, support …

DOI

寺澤 友貴, 岸澤 竜之介, 竹内 徹 鋼構造論文集 27 (107), 107_51-107_60, 2020-09-25

<p>In steel roof gymnasiums with RC substructures, space frame roof members are damaged by out-of-plane response of Cantilevered RC walls and vertical response of roof. In this paper, numerical …

DOI

佐倉 亮, 山口 隆司, 青木 康素 鋼構造論文集 27 (107), 107_109-107_117, 2020-09-25

<p>According to the Japanese specifications for highway bridges, the flange and web joints of the girder connections are designed individually and the applied force in the flange joints is derived …

DOI

寺西 正輝 鋼構造論文集 27 (107), 107_33-107_40, 2020-09-25

<p>The complex multi-axial stress field in various parts of buildings is created during a big earthquake. To evaluate the safety of buildings, the constitutive model with high reproducibility …

DOI

末廣 大地, 廣畑 幹人, 中山 太士 鋼構造論文集 27 (107), 107_87-107_95, 2020-09-25

<p>Riveting was mainly used in the assembly of steel members and steel plates of bridge prior to the establishment of bolting and welding. To preserve the aged bridges with riveting, it is assumed …

DOI

梅田 敏弘, 佐野 萌, 堤 成一郎, 木下 智裕, 田川 哲哉 鋼構造論文集 27 (106), 106_39-106_49, 2020-06-28

<p>This paper deals with low-cycle fatigue life of full-penetration weld joint. The objective is to clarify the influence of the shape and the hardness distribution near the weld toe on low-cycle …

DOI

春日 智也, 金子 洋文, 中込 忠男, 山﨑 賢二, 牛渡 ふみ 鋼構造論文集 27 (106), 106_23-106_38, 2020-06-28

<p>The current design criteria on width to thickness ratio of high strength steel in Japan is too strict for use in practice. Research of the past revealed that evaluating the deformation capacity …

DOI

田井 政行, 長嶺 由智, 鶴田 滉, 下里 哲弘 鋼構造論文集 27 (106), 106_1-106_10, 2020-06-28

<p>This paper investigates the reduction of axial force in corroded high-strength bolts. FEA revealed that the root mean squared value of the thickness reduction was a useful parameter for …

DOI

岑山 友紀, 杉本 悠真, 山口 隆司 鋼構造論文集 27 (106), 106_61-106_74, 2020-06-28

<p>In this study, for shortening erection period of temporary bridges, we propose to use the double end plate connection using high strength bolts at the connection of temporary bridges. The past …

DOI

中野 敦, 押川 渡, 米沢 昇, 森田 千尋, 白井 敬大 鋼構造論文集 27 (106), 106_51-106_60, 2020-06-28

<p>A nine-year atmospheric exposure test was performed on Zn-30mass%Al thermal spray coating under the corrosion environment using the artificial sea water. A similar corrosion test carried out to …

DOI

髙橋 佑介, 村川 友則, 今川 雄亮, 大山 理 鋼構造論文集 27 (106), 106_11-106_22, 2020-06-28

<p>This paper is intended to summarize findings from tensile test of carbon steel during fire and numerical analysis of partial factors for fire resistant design of steel girder bridge as a …

DOI

Panjaitan Arief, 舘石 和雄, 清水 優, 判治 剛 鋼構造論文集 27 (106), 106_75-106_80, 2020-06-28

<p>Low cycle fatigue is a failure mode exhibiting a small number of loading repetitions to failure. Former work conducting research on constant displacement amplitude presented crack growth rate was …

DOI Web Site

吉田 聡一郎, 藤江 渉, 賈 良玖, 葛 漢彬 鋼構造論文集 27 (105), 105_1-105_12, 2020-03-25

<p>This study is aimed to investigate cracking mechanism of steel members under cyclic bending. The process of crack initiation and propagation in the seven specimens are studied. The effects of …

DOI Web Site

東山 浩士, 大久保 宣人, 春日井 俊博, 久保 圭吾 鋼構造論文集 27 (105), 105_99-105_104, 2020-03-25

<p>Horizontal shear force acting on shear connectors in steel-concrete composite bridge decks has been basically designed by using Design Code for Steel Structures PART B so far. However, …

DOI

岸添 将至, 澤田 樹一郎 鋼構造論文集 27 (105), 105_53-105_60, 2020-03-25

<p>This paper presents seismic responses of steel frames with large deformable elastic braces by means of time domain analyses. Large deformable elastic braces are braces which never yield under …

DOI

藤岡 大二郎, 城戸 將江, 崔 剛 鋼構造論文集 27 (105), 105_61-105_76, 2020-03-25

<p>The purpose of this study is to propose a method to evaluate yield strength of square CFT columns. Yield strength of a CFT column is calculated by assuming the stress-strain relationships of …

DOI

タイ ウィサル, 小沢 拓弥, 譚 暢, 中村 一史, 松井 孝洋 鋼構造論文集 27 (105), 105_29-105_42, 2020-03-25

<p>This paper deals with the fatigue durability of typical welded gusset joints in steel bridges strengthened by externally bonded carbon fiber (CF) sheets using Vacuum assisted Resin Transfer …

DOI

小沢 拓弥, タイ ウィサル, 中村 一史, 松井 孝洋 鋼構造論文集 27 (105), 105_89-105_98, 2020-03-25

<p>The purpose of this study is to suggest estimated formula of stress concentration factor on weld toe of non-load-carrying cruciform welded joints by externally bonded CF sheets. The regression …

DOI

松本 稔将, 村越 潤, 堀井 久一, 小野 秀一 鋼構造論文集 27 (105), 105_77-105_88, 2020-03-25

<p>As an effective countermeasure to prevent fatigue cracks at existing orthotropic steel deck (OSD) bridges, steel fiber reinforced concrete (SFRC) overlays have been increasingly used for damaged …

DOI

佐藤 由悟, 浅沼 愛実, 聲高 裕治, 岡田 忠義, 松尾 真太朗 鋼構造論文集 27 (105), 105_13-105_28, 2020-03-25

<p>The authors have investigated practical application of beam-to-column connection with exterior diaphragm assembled by high-strength bolts. When horizontal loads due to bending moments of beams …

DOI

小西 拓洋, 横山 薫, 関屋 英彦, 平野 秀一, 三木 千壽 鋼構造論文集 27 (105), 105_43-105_52, 2020-03-25

<p>Fatigue cracks in the web gusset round weld are regarded as important targets in bridge inspection. In order to avoid the risk of fracture certainly, it is necessary to understand the propagation …

DOI

城戸 將江, 津田 惠吾, 福元 敏之, 一戸 康生, 森田 耕次 日本建築学会構造系論文集 85 (773), 981-991, 2020

<p> <b>1. Introduction</b></p><p> Nowadays, there is a move to legislate the examination the performance of the buildings against long-period ground motion earthquake. Systematic experimental study …

DOI Web Site Web Site 被引用文献1件 参考文献1件

善財 聖也, 清水 茂, 近広 雄希, 大上 俊之 鋼構造論文集 26 (104), 104_25-104_36, 2019-12-27

<p>The present paper is aimed to study the behaviour of a partially concrete-filled steel tube (PCFST) under the seismic load. The PCFSTs are used as bridge piers due to the superior strength and …

DOI

井口 進, 内田 大介, 齊藤 史朗, 杉山 裕樹, 田畑 晶子 鋼構造論文集 26 (104), 104_1-104_16, 2019-12-27

<p>Fatigue cracks which initiated from the root of welded joints between deck plate and U-rib and propagated toward the surface of the weld bead (bead-through cracks) have been reported in …

DOI

石川 貫人, 村越 潤, 野上 邦栄, 岸 祐介, 小峰 翔一, 細見 直史 鋼構造論文集 26 (104), 104_37-104_49, 2019-12-27

<p>Corrosion of girder ends is one of the major damage for reducing the load carrying capacity of steel bridges. This research aims on proposing a practical method for evaluating remaining capacity …

DOI

辻 聖晃, 小川 勇大, 藤田 皓平 鋼構造論文集 26 (104), 104_17-104_24, 2019-12-27

<p>Shaking table tests of small scale building model with oil damper are performed in order to verify an earthquake response magnification phenomenon caused by fracture of damper attachment member …

DOI

金子, 健作, Kaneko, Kensaku 鋼構造年次論文報告集 27 2019-11

identifier:oai:t2r2.star.titech.ac.jp:50481875

機関リポジトリ

金子 健作, Kaneko Kensaku 鋼構造年次論文報告集 (27) 2019-11

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頭井 洋, 田中 賢太郎, 松村 政秀, 佐合 大, 姫野 岳彦 鋼構造論文集 26 (103), 103_31-103_43, 2019-09-27

<p>Seismic bellows dampers, which are connected between girder and abutment, are subjected to girder bending rotations due to live load. Since their occurrence frequencies are very high even though …

DOI

小林 駿祐, 松本 崇志, 光川 直宏, 山口 隆司 鋼構造論文集 26 (103), 103_1-103_14, 2019-09-27

<p>Deteriorated RC slab deck of steel girder bridge is necessary to replace under half - width service construction for short time in Japan. Therefore it tends to replace composite RC deck to …

DOI

ファン ヴィエット ニュット, 松本 幸大, 松井 孝洋, 中村 一史 鋼構造論文集 26 (103), 103_15-103_29, 2019-09-27

<p>Recently, the security and integrity of large thin-walled steel cylinders (TSCs) have been threatened by an increasing number of high-magnitude earthquakes. To develop a sustainable economy and …

DOI

畑中 祐紀, 玉村 典士, 桑原 進, 戸張 涼太 鋼構造論文集 26 (103), 103_45-103_54, 2019-09-27

<p>In this study, a hysteresis model of hysteresis dampers using bent steel plates for base-isolated structu res （BSPD） is proposed. The BSPD comprise four bent steel plates bent into a trapezoid. …

DOI Web Site

佐熊 海, 多田 元英, 安井 佑里花, 向出 静司 鋼構造論文集 26 (102), 102_69-102_79, 2019-06-28

<p>This paper deals with the improvement of program that was developed to analyze elasto-plastic behavior of steel square tube columns with local buckling. The improvements are the suggestion of new …

DOI

村田 裕磨, 古川 幸, 木村 祥裕 鋼構造論文集 26 (102), 102_1-102_15, 2019-06-28

<p>This study is aim at evaluating ultimate seismic capacity of a steel moment-resisting frame by conducting scale model tests, whose performance is improved by two structural systems. One is a …

DOI

玉城 喜章, 下里 哲弘, 田井 政行, 淵脇 秀晃, 平良 博孝 鋼構造論文集 26 (102), 102_43-102_55, 2019-06-28

<p>Bridge washing is a simple and effective method to reduce the corrosion process. However, since the corrosion environment, such as quantity of airborne salt, is different depending on the region …

DOI

中藤 駿, 浅田 勇人, 田中 剛 鋼構造論文集 26 (102), 102_57-102_68, 2019-06-28

<p>Seismic retrofit by the addition of H-section haunches has been developed by the authors to improve plastic deformation capacity of beam-to-column connection in existing building structures. The …

DOI

加藤 祐介, 下里 哲弘, 田井 政行, 押川 渡, 日和 裕介 鋼構造論文集 26 (102), 102_33-102_41, 2019-06-28

<p>CT From the viewpoint of maintenance of steel bridges, it is necessary to develop corrosion protection methods for structural members especially susceptible to corrosion damage, such as …

DOI

加藤 史郎, 仁保 裕 鋼構造論文集 26 (102), 102_17-102_32, 2019-06-28

<p>This paper conducts a buckling analysis to find a relationship between the global load factor and reliability index in the case of a simply supported cylindrical lattice shell under dead and …

DOI

高塚 康平, 中野 達也, 浅田 勇人, 田中 剛, 一戸 康生, 田渕 基嗣 鋼構造論文集 26 (101), 101_31-101_42, 2019-03-25

<p>This paper investigates the toughness of submerged arc weld metal included in preassembled type build-up H-shaped beam which prevent the premature brittle fracture of moment connection. …

DOI

葛 漢彬, 鈴木 元哉, 康 瀾, 川澄 亮太 鋼構造論文集 26 (101), 101_69-101_78, 2019-03-25

<p>This study is aimed at evaluating the residual properties of high strength structure steel (HSSS) after a fire. Tensile coupons obtained from the HSSS Q690 sheets were heated to various …

DOI Web Site

中野 達也, 田渕 基嗣, 志村 竜一, 福元 孝男, 遠山 和裕, 鎌倉 和彦, 藤沢 清二, 板谷 俊臣, 島野 幸弘, 大塚 英郎 鋼構造論文集 26 (101), 101_1-101_14, 2019-03-25

<p>In this paper, the mechanical properties such as the toughness and the strength of the submerged arc weld (SAW) metal are investigated. Main target is the fillet weld metal by one pass SAW used …

DOI

渡辺 孝一, 浅井 駿弥, 石田 真士 鋼構造論文集 26 (101), 101_57-101_68, 2019-03-25

<p>The use of buckling-restrained braces (BRBs) as energy dissipation dampers is attempted for seismic performance improving of steel rigid-frame piers. In this study, the effectiveness of BRBs …

DOI

廣畑 幹人, 寺口 大輝, 北根 安雄 鋼構造論文集 26 (101), 101_79-101_86, 2019-03-25

<p>For investigating effect of heating and cooling process simulating fire on mechanical properties of Steels for Bridge High Performance Structure (SBHS), a series of experiment was carried out. …

DOI

頭井 洋, 田中 賢太郎, 松村 政秀, 佐合 大, 姫野 岳彦 鋼構造論文集 26 (101), 101_43-101_56, 2019-03-25

<p>Fatigue design method of steel bellows damper during earthquake excitations is examined. Bellows dampers are connected between a girder and an abutment in order to reduce damage of …

DOI

浅田 勇人, 中野 達也, 高塚 康平, 田中 剛, 田渕 基嗣 鋼構造論文集 26 (101), 101_15-101_30, 2019-03-25

<p>This paper investigates on the plastic deformation capacity of built-up H-shaped beam connected with RHS column. A total of sixteen specimens was tested under cyclic loading, with beam size, …

DOI

浅尾 尚之, 藤井 堅 鋼構造論文集 25 (100), 100_15-100_28, 2018-12-25

<p>In Japan, a lot of steel railway bridges were constructed during the period of rapid economic growth in the 1960s. Now, since over 50 years have passed, the aging of these structures has become …

DOI

中込 忠男, 金子 洋文, 堤 成一郎, 金崎 信太郎, 岸 耕左 鋼構造論文集 25 (100), 100_29-100_41, 2018-12-25

<p>The purpose of this study is to clarify the influence of scallop details on fracture and deformation capacity of beam-to-column joints. This paper presents the results of full-scale tests of …

DOI

阿 荣, 毅力 果奇, 村上 茂之 鋼構造論文集 25 (100), 100_43-100_56, 2018-12-25

<p>In Japan, regional governments manage 70% of all bridges, half of which will reach their service life in the near future. However, to maintain this number of bridges, the regional governments …

DOI Web Site

國領 ひろし, 堀 謙吾, 堀口 俊行, 石川 信隆 鋼構造論文集 25 (100), 100_57-100_71, 2018-12-25

<p>This paper presents an experimental approach on the load carrying capacity of steel pipe beams supported by covered pipes which are adopted in the newly developed plane grid type check dam. The …

DOI

Cut Atika PUTRI, 舘石 和雄, 判治 剛 鋼構造論文集 25 (100), 100_73-100_76, 2018-12-25

<p>Service lives of steel bridges are limited by corrosion. Coating is commonly applied to steel structures in order to prevent corrosion. In recent years, a laser cleaning treatment is introduced …

DOI Web Site

坂本 千洋, 坂野 昌弘, 小西 日出幸, 小山 雅弘 鋼構造論文集 25 (100), 100_1-100_14, 2018-12-25

<p>In this study, we propose two types of retrofitting methods against fatigue cracking at the upper end of vertical stiffeners under RC slab. They are steel plate reinforcement using a jack-up jig, …

DOI

岡田, 亮佑, Okada, Ryousuke, 佐藤, 大樹, Sato, Daiki 鋼構造年次論文報告集 26 578-593, 2018-11

The purpose of this paper is to carry out a response evaluation of passive control structure with viscous dampers considering its performance decrement under long-period ground motion. An analytical …

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崎野 良比呂, 松本 直幸, 猪瀬 幸太郎, 信木 関, 堤 成一郎 鋼構造論文集 25 (99), 99_23-99_30, 2018-09-28

<p>Arc welding is commonly applied to high-strength steel for buildings (H-SA700). However, the heat-affected zones of H-SA700 often become soft and the yield stress decreases compared to that of …

DOI

服部 雅史, 広瀬 剛, 大垣 賀津雄, 宮下 剛, 奥山 雄介, 小林 朗, 秀熊 佑哉 鋼構造論文集 25 (99), 99_31-99_39, 2018-09-28

<p>In the RC slabs replacement of viaducts, the reinforcement of steel girders is necessary. The reinforcement of the bending load bearing capacity of the steel girder with the carbon fiber sheet is …

DOI

村上 貴紀, 森 猛, 綿谷 剛, 津山 忠久, 萩原 篤, 武田 有祐 鋼構造論文集 25 (99), 99_53-99_65, 2018-09-28

<p>Fatigue strength category for transverse butt welded joints with full penetration welds from both sides is specified as D by the JSSC Fatigue Design Recommendations on the basis of a lot of …

DOI

下川 弘海, 廣重 隆明, 藤田 哲也, 岡本 晴仁, 原田 幸博, 中込 忠男 鋼構造論文集 25 (99), 99_11-99_22, 2018-09-28

<p>If the relationship between the defect size and the fracture strength of welded joint is made clear, the permissible level of the defect size to secure the performance required by the design is …

DOI

池田 拓矢, 石川 敏之, 堀井 久一 鋼構造論文集 25 (99), 99_1-99_9, 2018-09-28

<p>In the repair method by high-strength bolted patch plate, the higher slip coefficient between patch plates and steel members is required. However, the quality control of roughness of surface on …

DOI 機関リポジトリ HANDLE ほか1件

田井 政行, 下里 哲弘, 高橋 鴻, 長坂 康史 鋼構造論文集 25 (99), 99_41-99_51, 2018-09-28

<p>In this study, the strengthening mechanism for the shear capacity of web plate by CFRP has been investigated. Loading tests were carried out with the several sheet bond direction as parameters. …

DOI

久積 和正, 菅野 良一, 冨永 知徳 鋼構造論文集 25 (99), 99_67-99_76, 2018-09-28

<p>In recent years, serious damages of aging steel structures and the related accidents have often been reported, it is imperative to assess the structural health conditions and take necessary …

DOI Web Site

中家 優太, 伊藤 拓海, 八木 一樹, 崔 彰訓 鋼構造論文集 25 (98), 98_45-98_55, 2018-06-29

<p>Recently, an embedded connection is adopted to the connection of steel structures. In this study, a new embedded connection technique is suggested. This connection consists as follows; steel …

DOI Web Site

斉藤 圭太, 伊藤 拓海, 呉 東航, 南雲 隆司 鋼構造論文集 25 (98), 98_57-98_65, 2018-06-29

<p>The vibration control device called as “Scaling Frame” (abbreviated as “SF”) is proposed. In previous study, the seismic mitigation effect of normal type of SF device was clarified …

DOI

木下 幸治, 梶田 太一 鋼構造論文集 25 (98), 98_1-98_7, 2018-06-29

<p>This study investigates weldability of welded joints of SBHS700 based on Y-groove weld cracking test. This study tried to prevent weld cracking: hot cracking and cold cracking by using …

DOI

石澤 雅隆, 川合 忠雄, 松村 政秀, 山口 隆司 鋼構造論文集 25 (98), 98_67-98_79, 2018-06-29

<p>Sometimes high water flow scours bridge piers to reduce safety of bridge. To keep safety, suitable inspection is required. Unfortunately, it is difficult to inspect all bridges because a local …

DOI

宮武 純也, 中嶋 洋介, 金子 洋文, 山﨑 賢二, 鈴木 琢也, 稲葉 澄 鋼構造論文集 25 (98), 98_23-98_33, 2018-06-29

<p>The current width to thickness ratio criteria in the Japanese standard do not allow high-strength steel to be used in practice. According to the criterion, high-strength steel results in …

DOI

中島 和俊, 加納 勇, 安波 博道, 森田 千尋 鋼構造論文集 25 (98), 98_35-98_43, 2018-06-29

<p>The soundness evaluation of weathering steel bridges is generally based on external visual inspection and is not quantitative, it is known that it greatly influences the experience and …

DOI

岡田 康暉, 坂野 昌弘, 小西 日出幸, 小山 雅弘 鋼構造論文集 25 (98), 98_9-98_22, 2018-06-29

<p>Retrofitting method against fatigue cracking at the upper end of web gap plates under RC slab is investigated. In this method, TRS (Thread Rolling Screw) is used to attach angle steel to upper …

DOI

清水 優, 舘石 和雄, 判治 剛, 本田 直也 鋼構造論文集 25 (97), 97_61-97_66, 2018-03-16

<p>Welded joints in steel structures are subjected to high strain amplitude during earthquake, which could cause a low cycle fatigue crack. To assess low cycle fatigue strength of welded joints, an …

DOI

頭井 洋, 田中 賢太郎, 松村 政秀, 佐合 大, 姫野 岳彦 鋼構造論文集 25 (97), 97_13-97_23, 2018-03-16

<p>Fatigue damage of bellows damper due to girder deformation caused by temperature change is examined. The bellows damper is connected between girders and abutments to reduce damage of …

DOI

聲高 裕治, 伊賀 はるな, 伊山 潤, 長谷川 隆 鋼構造論文集 25 (97), 97_47-97_59, 2018-03-16

<p>For examining lateral-torsional buckling behavior of H-shaped steel beam with concrete floor slab，numerical model with springs，which are considered with restraint effect by slab，on the beam upper …

DOI

脇田 健裕, 曽田 五月也 鋼構造論文集 25 (97), 97_39-97_46, 2018-03-16

<p>Steel framed houses consist of wall and floor panels made of structural boards and light-gauge cold-formed steel frames that are fastened with drilling screws. We had already made clear that the …

DOI

牛米 歩, 伊藤 拓海, 森 健士郎, 荒木 慶一 鋼構造論文集 25 (97), 97_25-97_37, 2018-03-16

<p>There are many discussions about repairability for damaged building. In previous study, it is reported that strength and rigidity of steel members are improved after repair. However, it is …

DOI Web Site

楊 東, 山成 實 鋼構造論文集 25 (97), 97_1-97_12, 2018-03-16

<p>This research is concerned with vibration control system with passive friction dampers equipped at the bottom of a steel frame. Sliding of friction dampers give the frame the base-isolation …

DOI

網谷 岳夫, 森 猛, 小林 裕介 鋼構造論文集 24 (96), 96_45-96_54, 2017-12-15

<p>The method of calculating slip and yield resistances of the friction type of joints with double frictional surfaces determined on the basis of many results of the tensile tests. However, the slip …

DOI Web Site

清水 優, 舘石 和雄, 判治 剛, 杉山 裕樹, 曽我 恭匡, 足立 陸, 野田 拓史 鋼構造論文集 24 (96), 96_17-96_29, 2017-12-15

<p>Multiple Steel Columns is an earthquake-resistance bridge pier which has shear panel dampers between four steel columns. In the previous study, although the shear panel damper absorbs the seismic …

DOI Web Site

宮林 航希, 多田 元英, 佐熊 海, 向出 静司 鋼構造論文集 24 (96), 96_31-96_43, 2017-12-15

<p>In order to simulate the behavior of column in which local buckling occurs, we made the numerical program which considers axial force and biaxial bending moments. The program is able to analyze …

DOI Web Site

鈴木 琢也, 山﨑 賢二, 稲葉 澄 鋼構造論文集 24 (96), 96_55-96_64, 2017-12-15

<p>In this paper, the effect of stiffener made with 3D printer to plastic deformation capacity of steel beam is confirmed by loading test. Firstly, plastic deformation capacity and collapse mode of …

DOI Web Site

網谷 岳夫, 池田 学, 井上 佳樹, 青木 千里, 山田 正人 鋼構造論文集 24 (96), 96_1-96_15, 2017-12-15

<p>There has been increasing needs for applying concrete filled steel tube columns with square section (square CFT columns) in railway structures. However, the evaluation method of bending and …

DOI Web Site