Search Results 1-20 of 1771

  • CRACKS OBSERVED IN LOADING TEST ON FIVE-STORY REINFORCED CONCRETE BUILDING SPECIMENS AND THEIR NUMERICAL SIMULATION  [in Japanese]

    KUWABARA Ryo , KITAMURA Fuhito , OBARA Taku , KONO Susumu , MUKAI Tomohisa , WATANABE Hidekazu

    … Crack width/ length/ spacing in the tests on two full-scale five story RC buildings were extracted and quantified. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (771), 737-747, 2020-05

    J-STAGE  AIJ 

  • Numerical Investigation of a Foundation Pit Supported by a Composite Soil Nailing Structure

    Han Wei , Li Genxiao , Sun Zhaohui , Luan Hengjie , Liu Chuanzheng , Wu Xianlong

    … In this paper, a composite soil nailing structure was studied and its effect on a silt-soil symmetrical foundation pit investigated. … Moreover, the horizontal displacement is positively correlated with the inclination and spacing of the soil nails, but negatively correlated with the diameter and depth of the mixing pile inlay. …

    Symmetry 12(2), 252, 2020-02-06

    IR 

  • Effects of volume of cultivating bed on growth, fruits hardness, total saccharides content, and ascorbic acid content for Zucchini  [in Japanese]

    OGIHARA Kyohei , KONDO Kensuke , KIRIMURA Satoko , NAKATA Noboru , YAMAGUCHI Takeshi , NONAMI Kazuyoshi

    … In three terms(2014 spring to summer, 2014 summer to fall, 2015 spring to summer), we planted zucchini in cultivating beds which were 0.07 meters in depth, 0.6 to 0.1 meters in width, and 0.9 intrarow spacing, and researched the effect of volume of cultivating bed on growth, fruits hardness, total saccharides content, and ascorbic acid content for zucchini. …

    SAND DUNE RESEARCH 67(1), 1-10, 2020

    J-STAGE 

  • SHEAR REINFORCEMENT EFFECT OF HEADED STUD ON STEEL-CONCRETE COMPOSITE SLAB  [in Japanese]

    NOROTA Yuto , FURUUCHI Hitoshi , TAKAHASHI Ryosuke

    <p> 本研究は,ずれ止めとして頭付きスタッドを用いた鋼板コンクリート合成版を対象として,配置するスタッドの諸元が部材のせん断耐力に与える影響を調査し,定量的な評価を試みるものである.鋼板コンクリート合成版を1方向版と見なしたときのせん断耐力については十分に解明されておらず,現在は鉄筋コンクリート構造の耐力に低減係数を乗じたものが設計式として採用されている.この設計式では,ずれ止めによ …

    Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE)) 76(5), II_62-II_71, 2020

    J-STAGE 

  • EFFECT OF Al AND Mg ON FORMATION AND CRYSTAL OF TOBERMORITE  [in Japanese]

    MITSUMORI Yosuke , SAITO Tsuyoshi , KATO Fukumasa , SAEKI Tatsuhiko

    <p>本研究ではAlやMgがトバモライトの生成や結晶構造に及ぼす影響を検討するため、出発Ca源及びSi源にAl系添加物であるゲーレナイト、Mg系添加物のオケルマナイト、またそれらの固溶体を添加し高温高圧条件でオートクレーブ(以下AC)養生、80℃で水和養生を施した。その結果、高温高圧養生下ではAl系物質を添加した試料に関して、Al置換型1.1nmトバモライトの生成が確認された。またゲー …

    Cement Science and Concrete Technology 73(1), 2-9, 2020

    J-STAGE 

  • Effect of Direct Powder Additions on the Solidification Structure and Microsegregation of 42CrMo4 Steel

    Gennesson Marvin , Daloz Dominique , Zollinger Julien , Rouat Bernard , Demurger Joëlle , Combeau Hervé

    … Other morphological changes (secondary arm spacing and dendricity) were attributed to the presence of inert particles staying inside the liquid during the solidification. …

    ISIJ International, 2020

    J-STAGE 

  • Numerical analysis on ground improvement of vacuum preloading with prefabricated radiant drain

    Lei Huayang , Feng Shuangxi , Edgard Codjia Coffi , Zhou Jingfei , Jiang Mingjing

    … In addition, two influence factors of PHD spacing and PHD length for vacuum preloading with PRD technique were systematically studied by finite element method. … The results show that vacuum preloading with PRD can obviously improve the reinforcement effect of dredged fill ground. … Compared with the conventional vacuum preloading, the maximum settlement of vacuum preloading with PRD respectively is increased by 88.94 % and the maximum lateral displacement is 110.4 % at the PHD spacing of 0.5 m. …

    Japanese Geotechnical Society Special Publication 8(13), 514-519, 2020

    J-STAGE 

  • Effect of reinforcement spacing on the performance of bridge abutment by scaled model test

    Yang Yang , Xu Chao , Luo Min min

    … Under the vertical load of 100 kPa in simulating the weight of the bridge deck, important parameters such as stresses and deformations of the model abutment were measured, and the effect of reinforcement spacing on the performance of different reinforced soil structures was evaluated. …

    Japanese Geotechnical Society Special Publication 8(13), 520-525, 2020

    J-STAGE 

  • Effect of High Nitrogen Addition on Microstructure and Mechanical Properties of As-cast M42 High Speed Steel

    Jiao Weichao , Li Huabing , Feng Hao , Jiang Zhouhua , Dai Jing , Zhu Hongchun , Zhang Shucai , Chu Mansheng , Wu Wei

    … Moreover, the addition of N could lead to the reduction of the secondary dendrite arm spacing as well as the decrease of the thickness and area fraction of eutectic carbides, and improve the distribution uniformity of eutectic carbides at the microscopic scale. …

    ISIJ International 60(3), 564-572, 2020

    J-STAGE 

  • Effect of passive whole-body rotation on sound localization accuracy of listener subjective straight ahead

    Honda Akio , Masumi Yoji , Suzuki Yôiti , Sakamoto Shuichi

    … <p>This study investigated the effect of passive whole-body rotation on the accuracy of listener subjective straight ahead. … Listeners sat on a digitally controlled spinning chair placed at the center of a circular loudspeaker array (radius = 1.1 m, speaker spacing = 2.5°) and were exposed to a single 30-ms pink noise burst emitted from one loudspeaker of this array. …

    Acoustical Science and Technology 41(1), 249-252, 2020

    J-STAGE 

  • Spacing effects by Implicit Associative Response in Incidental Memory  [in Japanese]

    豊田 弘司 , 太田 拓生

    … If IAR occurred the spacing effect (the superiority of the spaced presentation to the massed presentation in recall performance), it is predicted that the interval between the first presentation of IAR and the second presentation of a target would lead to better recall of targets than no interval between the two. … The results was consistent with the prediction, indicated the spacing effects occurred in the above case. …

    奈良教育大学紀要. 人文・社会科学 = Bulletin of Nara University of Education. 奈良教育大学 編 68(1・2), 57-63, 2019-11

    IR  DOI 

  • Flow reversals in particle-dispersed natural convection in a two-dimensional enclosed square domain

    Takeuchi Shintaro , Miyamori Yuri , Gu Jingchen , Kajishima Takeo

    動画は論文出版後に追加したものである。 / The video was added after the paper was published.

    Physical Review Fluids 4(8), 84304, 2019-08-21

    IR 

  • Effect of Mountain Convexity on the Locally Strong "Karakkaze" Wind

    日下 博幸 , Akifumi NISHI , Hiroyuki KUSAKA

    … Our method involved running idealized numerical simulations using the Weather Research and Forecast model with a horizontal grid spacing of 3 km. …

    Journal of the Meteorological Society of Japan. Ser. II 97(4), 787-803, 2019-07

    IR 

  • Influence for Crack Spacing of Fiber Reinforced Concrete Structure Using Various Fiber  [in Japanese]

    竹山 忠臣 , 恩田 陽介 , 佐々木 亘 , 篠崎 裕生 , 三上 浩

    三井住友建設技術研究開発報告 Technical research report of Sumitomo Mitsui Construction (17), 41-47, 2019

  • Effects of Grid Spacing on Topology Optimization of Flow around an Object  [in Japanese]

    MIKI Takashi , ITOH Toshitaka , HASEGAEA Yosuke , KURIMOTO Naoki

    … <p>In topology optimization to minimize the drag force of an object in a uniform flow, the effect of the grid spacing and the Reynolds number on optimal shapes is studied. …

    The Proceedings of Mechanical Engineering Congress, Japan 2019(0), J12111, 2019

    J-STAGE 

  • Effect of spacer with mixing vane on liquid film for two-phase annular flow in a simulated BWR reactor fuel rod bundle channel  [in Japanese]

    MUTA Kohshi , TAZOE Hiroto , HISATUGU Yudai , YONEMOTO Yukihiro , Kawarhara Akimaro

    … The spacing between two rod was 4.85m. …

    The Proceedings of Conference of Kyushu Branch 2019.72(0), D32, 2019

    J-STAGE 

  • Layer Spacing Change at Glass Transition of Glycolipid in Liquid Crystalline Phase  [in Japanese]

    OGAWA Shigesaburo , ONO Yoshitaka , TAKAHASHI Isao

    … In this study, we investigated on the temperature dependence of layer spacing of liquid crystalline (LC) phase made from a 6-<i>O</i>-hexadecanoyl trehalose monoester (TME16) across temperatures straddling T<sub>g</sub>. … We found that the effect of thermal history disappeared and the longest layer spacing were observed above the T<sub>g</sub> …

    Cryobiology and Cryotechnology 65(2), 85-88, 2019

    J-STAGE 

  • DEVELOPMENT OF RUNWAY OPERATION SIMULATION SYSTEM CONSIDERING DEPARTURE TRAFFIC PREDICTION AND ARRIVAL SPACING  [in Japanese]

    HIRATA Terumitsu , KUBO Shion , MAKITA Yoshitomo , FUTAMI Yasutomo

    羽田空港では到着滑走路と2本の離陸滑走路が相互従属運用となっており,離着陸の順序付けにより滑走路全体の処理効率が変化する.本研究ではこの離着陸従属運用滑走路において,離陸時刻・離陸機数予測をもとに到着間隔制御を行うアルゴリズムを検討し,実際の到着間隔制御の方法と処理効率を考慮した容量・遅延評価シミュレーションを開発した.さらに,複数滑走路の需要バランスを考慮した動的な離陸滑走路決定による滑走路の運 …

    Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management) 75(5), I_979-I_987, 2019

    J-STAGE 

  • NUMERICAL STUDY ON THE DRAG REDUCTION OF THE WIDE-RIB RECTANGULAR GROOVES

    Chonghai HUANG , Jinjia WEI , Wei WANG , Jinlan GOU , Qi XIAO

    … Drag reduction effect of surfactant solution could be enhanced in longitudinal microgroove channel, but their collaborative drag-reducing mechanism was unclear. … The purpose of this study was to investigate the drag-reducing mechanism of wide-rib rectangular microgroove with a thickness-to-spacing ratio <i>t/s</i> … It was found that the drag-reducing mechanism of longitudinal microgroove in water could be considered as the results competed between the “tip effect” …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1308, 2019

    J-STAGE 

  • Intercalation Technology for Preparing a Mica–Organic Hybrid Solid Lubricant and Spectroscopic Evaluation of Its Lubrication Mechanism

    Oshita Kenichiro , Komiyama Shinobu , Sasaki Shinya

    … The results of X-ray diffraction revealed that the intercalated organic cations increase the <i>d</i>-spacing of mica, and the effect became prominent with increase in the length and the number of alkyl chains. … The results of FTIR and XPS analyses indicated that the interlayer adhesion strength of mica is weakened with increase in the <i>d</i>-spacing, which correlated well with the results of friction coefficient.</p> …

    Tribology Online 14(5), 312-320, 2019

    J-STAGE 

Page Top