Search Results 1-20 of 5875

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<International Research(Project No: 2019W-03)>Seismic Soil-Foundation-Structure Interaction in Unsaturated Soils

Ghayoomi Majid

京都大学防災研究所年報. A = Disaster Prevention Research Institute Annuals. A 63(A), 258-260, 2020-12

IR
2

INTENSITIES OF RESOURCE CONSUMPTION BASED ON 2011 INPUT-OUTPUT TABLE AND EVALUATION OF RESOURCE PRODUCTIVITY OF BUILDINGS [in Japanese]

YOKOYAMA Keizo

… In contrast, the majority of soil and stone resources were not imported, and hence, the difference between RMI and DMI was small. … For biological resources, the difference was 1.5 times larger for wood, owing to the import of wood products. 6) In terms of building structure, non-wooden buildings consumed large amounts of soil and stone resources and metal resources because concrete, steel bars and steel frames were used. …

Journal of Environmental Engineering (Transactions of AIJ) (777), 849-857, 2020-11

J-STAGE AIJ
3

SEISMIC RESPONSE OF PILE GROUP IN GRANULAR SOIL SUBJECTED TO INPUT MOTION IN OBLIQUE DIRECTION [in Japanese]

NAKANO Takaharu , MIYAMOTO Yuji , HIROSE Haruna

… Soil-structure interaction (SSI) influences the seismic response of buildings supported by pile foundation. … Under a significant input motion that causes damage to piles, the SSI is influenced by the nonlinear behaviors of the free ground (i.e. site nonlinearity), soil close to the foundation (i.e. local nonlinearity), and structural members (i.e. structure nonlinearity). …

Journal of Structural and Construction Engineering (Transactions of AIJ) (777), 1419-1429, 2020-11

J-STAGE AIJ
4

THE MODERNIZATION OF CERAMICS INDUSTRY IN CHINESE TRADITIONAL VILLAGES AND ITS IMPACT ON THE HISTORICAL LANDSCAPE:Yaotou Village in Guanzhong area of Shaanxi province [in Japanese]

LIU Yujia , OKAMURA Yu , KOMUKAI Hikari

… influence on the historical landscape is clarified. The following three points of revitalized pottery are clarified by field surveys and interviews with eight potters. 1) Due to changes in the management form of pottery since its revitalization, the site scale and use of kiln caves have changed from the past, but the spatial structure and architectural style in this region have been inherited. 2) On the one hand, local soil and production processes have been …

Journal of Architecture and Planning (Transactions of AIJ) (774), 1739-1749, 2020-08

J-STAGE AIJ AIJ
5

INTERPRETATION OF LARGE-AMPLITUDE VELOCITY PULSES DURING THE 2016 KUMAMOTO EARTHQUAKE AND THE EFFECTS OF THE SHALLOW AND DEEP PARTS OF THE FAULT RUPTURES ON THE NEAR-FAULT GROUND MOTIONS [in Japanese]

KIDOH Toshimichi , NAGANO Masayuki

… velocity was large, significant, large ground motions were generated in the LMGA alone. 5) When the seismic fault approached near the ground surface, the ground motions evaluated using the full method, i.e., considering both the shallow and deep parts of soil the structure were sometimes different from those obtained using the substructure method, in which the site amplification of the shallow part of the soil structure was separately evaluated. …

Journal of Structural and Construction Engineering (Transactions of AIJ) (773), 879-889, 2020-07

J-STAGE AIJ
6

Analytical Investigation on Dynamic Characteristics of Pile Foundation Buildings with High Aspect Ratio in Relation to Tilting Earthquake Damage(Part-2)Dynamic Response Characteristics of the Soil-Structure Interaction and Interpretation of the Tilting Damage [in Japanese]

源栄正人

日本建築学会東北支部研究報告集. 構造系 (83), 73-76, 2020-06

AIJ
7

Validation of AE-Tomography with numerical results and actual measurement values for Studying the Progressive Failure of Soil-Structure [in Japanese]

中村勝哉 , 小林義和 , 小田憲一 , 池端宏太

計算工学講演会論文集 Proceedings of the Conference on Computational Engineering and Science 25, 6p, 2020-06
8

Coupled material point method for seepage failure analysis of unsaturated soil structure [in Japanese]

山口裕矢 , 飛驒野荘真 , 高瀬慎介 , 森口周二 , 金子賢治 , 寺田賢二郎

計算工学講演会論文集 Proceedings of the Conference on Computational Engineering and Science 25, 3p, 2020-06
9

Basis Study on Dynamic Problem of Integrated Structure-Soil Models by the S-version Finite Element Method [in Japanese]

山東篤

計算工学講演会論文集 Proceedings of the Conference on Computational Engineering and Science 25, 4p, 2020-06
10

VERTICAL DYNAMIC PROPERTIES OF SUPER HIGH-RISE RESIDENTIAL BUILDINGS BASED ON RECORDED MOTIONS AND DYNAMIC SOIL-STRUCTURE-INTERACTION EFFECTS [in Japanese]

TAMURA Ayame , NAGANO Masayuki , TANUMA Takehiko , ODA Satoshi , KASHIMA Toshihide

… Although Horizontal and rotational dynamic characteristics of super high-rise residential buildings has been studied based on recorded motions during the 2011 Tohoku earthquake, vertical dynamic properties were not fully investigated, which must be strongly affected by the dynamic soil-structure interaction. …

AIJ Journal of Technology and Design (63), 484-489, 2020-06

J-STAGE AIJ
11

DYNAMIC CHARACTERISTICS OF A SUPER-HIGH-RISE RC BUILDING BASED ON LONG TERM SEISMIC RECORDS INCLUDING THE 1995 KOBE EARTHQUAKE [in Japanese]

MORIKIYO Nobuki , NAGANO Masayuki , NARUSHIMA Kei , TANUMA Takehiko , ODA Satoshi

This report describes variation of long-term dynamic characteristics of a super-high-rise RC building constructed in Osaka plain. This building is equipped with the simultaneous earthquake ob …

AIJ Journal of Technology and Design (63), 479-483, 2020-06

J-STAGE AIJ
12

VIBRATION SENSING OF BUILDING 65 BUILT AS THE LARGEST STRUCTURE IN GUNKANJIMA [in Japanese]

HAMAMOTO Takuji , KOBAYASHI Masazumi , TAKAI Kazuki , TOMIOKA Akihiro , DAIGO Takuya

… Building 65 is the largest structure that lies between rock mountain and reclaimed land in Gunkanjima. … The dynamic characteristics of building 65 under rough seas in winter and summer are investigated, taking into consideration structural configuration, damage state, topographic and soil conditions. …

AIJ Journal of Technology and Design (63), 473-478, 2020-06

J-STAGE AIJ
13

2020-05-03

Shimoi Yusuke , Honma Daichi , Kurematsu Airi , Iwasaki Yukari , Kotsuchibashi Yohei , Wakikawa Yusuke , Saito Akihiro

Soil Science and Plant Nutrition 66(3), 429-437, 2020-05-03

DOI
14

〈Original〉Differences in ant species structure in the soil under dead trees due to the Japanese oak wilt disease and its surviving trees. [in Japanese]

葛西弘 , 藤本将徳 , 渡邊拓也 , 出口千惠美 , 澤畠拓夫

… [Synopsis] We compared the ant species structure and soil water content from the soil under dead and non-dead Quercus serrata trees in deciduous broad-leaved forests suffering slight damage of oak wilt disease in Nara Prefecture to examine the effects of oak wilt disease on insect fauna. … The value of species diversity of ants decreased in the soil under dead trees especially in the species belonging the forest habitat type. …

近畿大学農学部紀要 = MEMOIRS OF THE FACULTY OF AGRICULTURE OF KINDAI UNIVERSITY (53), 1-10, 2020-03-31

IR
15

Effects of habitat loss on the genetic diversity of Embiratermes neotenicus (Isoptera) in a fragmented landscape of the Atlantic Forest, Brazil

Alane Ayana Vieira de Oliveira Couto , Simon Hellemans , Yves Roisin , Martín Alejandro Montes , Alexandre Vasconcellos

… Termites are abundant in tropical ecosystems, and within this group, soil-feeding species are the most sensitive to environmental degradation.3. … Our results show that the population exhibits weak genetic structure, with no relations between genetic variability and fragment features.5. …

Insect Conservation and Diversity, 2020-03-10

IR
16

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 special geology conditions such as silt-soil, foundation pits are prone to instability and severe deformation. … In this paper, a composite soil nailing structure was studied and its effect on a silt-soil symmetrical foundation pit investigated. … The soil outside the foundation pit is in the form of a parabola, and the uplift of the soil mainly occurs at the bottom. …

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

IR
17

A Study on Relationship between Dynamic Characteristics of Soil and Soil Structure based on Simulated Microtremor Records [in Japanese]

石川舞花 , 佐藤玲菜 , 高橋広人

日本建築学会東海支部研究報告集 Proceedings of Tokai Chapter Architectural Research Meeting (58), 97-100, 2020-02
18

The change of evaluation of images for walking trail in coastal forest by conservation and management activities : the case of Niji-no-matsubara in Saga Prefecture [in Japanese]

岡田穣 , 矢澤聖志

… This is because when comparing the pictures of 2009 when conservation and management activities started and 2018, the evaluation scale showed strong impressions of "like," "comfortable" and "beautiful" in the landscape image evaluation experiment and the image scale showed a strong image of "accessibility" including the images of "bright," "safe," "clean" and "open." As for the landscape structure, "medium shrubs and herbs" decreased and bare ground such as "sandy soil" and "soil surface" increased. …

専修大学商学研究所報 51(6), 1-24, 2020-01-31

IR DOI
19

Visualization of Toyoura sand-grown plant roots by X-ray computer tomography

Yoshida Yuki , Arita Tetsuya , Otani Jun , Sawa Shinichiro

… Plants establish their root system as a three-dimensional structure, which is then used to explore the soil to absorb resources and provide mechanical anchorage. … However, it remains challenging to study the more realistic three-dimensional structure and function of roots hidden in opaque soil. …

Plant Biotechnology 37(4), 481-484, 2020

J-STAGE
20

INVESTIGATION AND SOIL PHYSICAL PROPERTIES OF DAMAGED POND EMBANKMENTS DURING TYPHOON NO. 19 AND THE HEAVY RAIN IN 2019 [in Japanese]

FUJIMOTO Tetsuo , KURIBAYASHI Kentaro , TANAYA Namihiko , KURODA Shuichi

… In addition, the physical properties of the embankment materials were investigated by laboratory soil tests. … As a result, it was clarified that the collapse of the reservoir occurred mostly around the structure of the embankment, and that many of the collapsed embankments of reservoir were constructed of sandy soil containing much sand. …

Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 76(1), 370-384, 2020

J-STAGE

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