Jiban Kogaku Janaru (japanese Geotechnical Journal)最新文献

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Three-dimensional slope stability analysis by means of limit equilibrium method 用极限平衡法分析三维边坡稳定性
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.1201/9780203885284-112
Shingo Morimasa, K. Miura
{"title":"Three-dimensional slope stability analysis by means of limit equilibrium method","authors":"Shingo Morimasa, K. Miura","doi":"10.1201/9780203885284-112","DOIUrl":"https://doi.org/10.1201/9780203885284-112","url":null,"abstract":"自然斜面,人工斜面のいずれにおいても,通常斜面は三次元形状を有しており,そのような斜面の形状は安定性に大きく影響すると考えられる。また,すべり面の三次元形状は,二次元解析よりも得られる安定係数を増加させることが知られている。このような斜面やすべり面の三次元形状の効果は,斜面の安定解析,特に斜面強度の逆解析においては重要である。しかし,これらの効果は系統的に検討されていない。そこで,本研究では直線斜面,および三次元斜面として湾曲斜面を取り上げ,極限平衡法による三次元安定解析を行い,これらの形状効果について検証した。解析の結果,すべり面の三次元効果は得られる安定係数を大きくするだけでなく,すべり面の深さに臨界値を与え有意な安定係数が得られることが分かった。また,斜面の三次元効果によりすべり面の最大形状が決まり,その斜面形状における安定係数の最小値が得られることが分かった。これらの結果は,Terzaghiの二次元安定図表を三次元版にアップグレードする形で整理した。","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116836146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Group effect on lLong-term displacements of pile-foundation 群效应对桩基长期位移的影响
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.5.181
K. Danno, M. Kimura
{"title":"Group effect on lLong-term displacements of pile-foundation","authors":"K. Danno, M. Kimura","doi":"10.3208/JGS.5.181","DOIUrl":"https://doi.org/10.3208/JGS.5.181","url":null,"abstract":"性能規定型設計の導入を見据え,杭基礎に関しても変形性能の照査を検討する必要が生じつつある。しかし杭基礎の場合は,複雑な杭~地盤~杭の相互作用に未解明な部分が多く,特に長期沈下挙動について体系的な研究が行われた例が少ない。本論文では,杭間隔が杭基礎の長期沈下挙動に与える影響を定量的に解明することを目的に,土-水連成弾塑性有限要素解析を行い,以下の3項目を検証した;(1) 同載荷重下では,杭間隔が小さくなるほど,周面摩擦力の減少と杭先端応力の重合が生じ,沈下量が増大する。;(2) 杭間隔が小さくなるほど,杭に囲まれた土要素の変形が抑制されるため,内側の杭は十分な摩擦力を得られない。結果として内側の杭に割り当てられるべき荷重が外側の杭に割り当てられ,内側の杭よりも外側の杭が負担する荷重が大きくなる。さらに,その荷重を支持するため,外側の杭外縁部の土要素には大きなせん断応力が生じる;(3) 内側の杭先端部では,過剰間隙水圧が周囲よりも長く停留する。","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124547470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A series of shaking table tests on the mechanism of earthquake-induced ground settlement around a fixed-base and rigid-body structure 对固定基础刚体结构周围地震诱发地面沉降机理进行了一系列振动台试验研究
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.4.369
M. Ishimaru, T. Kawai
{"title":"A series of shaking table tests on the mechanism of earthquake-induced ground settlement around a fixed-base and rigid-body structure","authors":"M. Ishimaru, T. Kawai","doi":"10.3208/JGS.4.369","DOIUrl":"https://doi.org/10.3208/JGS.4.369","url":null,"abstract":"2007年新潟県中越沖地震の際,東京電力柏崎刈羽原子力発電所では,原子力発電所建屋近傍で局所的に大きな埋戻し土の沈下が生じた。本研究では,底面が固定された剛な構造物近傍地盤の地震時沈下メカニズムを推定し,その検証として行った振動台実験から,地盤と構造物の相対水平変位に起因した主働すべりにより構造物近傍で局所的な沈下が生じることを確認した。また,種々の地盤条件を変えた実験より,地盤と構造物の相対水平変位が大きいほど,また地盤のすべり抵抗が小さいほど,構造物近傍地盤の沈下量は大きくなることを示した。","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124658101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Study on application of digital vision metrology to slope monitoring system 数字视觉计量在边坡监测系统中的应用研究
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.3.109
M. Ryu, Y. Ohnishi, S. Nishiyama, T. Nakai
{"title":"Study on application of digital vision metrology to slope monitoring system","authors":"M. Ryu, Y. Ohnishi, S. Nishiyama, T. Nakai","doi":"10.3208/JGS.3.109","DOIUrl":"https://doi.org/10.3208/JGS.3.109","url":null,"abstract":"","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124969555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Engineering properties of a waste glass by laboratory tests 废玻璃工程特性的实验室测试
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.6.121
Minsu Jung, Shunzo Kawajiri, Yoshiki Nakatani, Minami Miura, S. Shibuya
{"title":"Engineering properties of a waste glass by laboratory tests","authors":"Minsu Jung, Shunzo Kawajiri, Yoshiki Nakatani, Minami Miura, S. Shibuya","doi":"10.3208/JGS.6.121","DOIUrl":"https://doi.org/10.3208/JGS.6.121","url":null,"abstract":"本ノートでは,一連の室内試験から得られた廃ガラス製品の一種である「ガラスサンド」の地盤工学的特性について述べている。まず,物理試験,透水試験およびpH測定試験から,廃ガラスの土構造物への適用のための基本的な工学的性質と周辺環境への影響を調べた。さらに強度特性を把握するために一面せん断試験,微小ひずみ領域での変形特性を把握するためにベンダーエレメント試験,液状化特性を把握するために非排水繰返し三軸試験を実施して廃ガラスの強度・変形特性を評価した。また,廃ガラスを混合した盛土材料の土質特性の改善効果を調べる目的で,廃ガラスの混合比を変化させた供試体を用いた一連の圧縮試験を実施した。以上の結果から,廃ガラスの一次的性質は自然砂と酷似しており,環境にやさしい材料であること,強度・変形特性は自然砂よりも優れていること,廃ガラスを混合することにより盛土の圧縮沈下特性が改善されることがわかった。","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129444862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of the layout of adsorption layer on immobilizing arsenic leached from excavated rocks 吸附层布置对固定采掘岩石中砷浸出的影响
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.10.635
T. Tatsuhara, Shunsuke Jikihara, T. Tatsumi, T. Igarashi
{"title":"Effects of the layout of adsorption layer on immobilizing arsenic leached from excavated rocks","authors":"T. Tatsuhara, Shunsuke Jikihara, T. Tatsumi, T. Igarashi","doi":"10.3208/JGS.10.635","DOIUrl":"https://doi.org/10.3208/JGS.10.635","url":null,"abstract":"","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123656125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Experimental Study on Reinforcement Method of Levees by Sheet-pile 板桩加固堤防方法试验研究
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.6.1
Kazutaka Otsushi, J. Koseki, Masaru Kaneko, Hiroyuki Tanaka, Naoya Nagao
{"title":"Experimental Study on Reinforcement Method of Levees by Sheet-pile","authors":"Kazutaka Otsushi, J. Koseki, Masaru Kaneko, Hiroyuki Tanaka, Naoya Nagao","doi":"10.3208/JGS.6.1","DOIUrl":"https://doi.org/10.3208/JGS.6.1","url":null,"abstract":"地震時の基礎地盤の液状化による河川堤防の沈下対策として,矢板等を堤防法尻部に設置する対策がなされている。また,集中豪雨などで越流が生じた場合に対しては,堤防の機能を維持させるために堤体内に天端高さまで矢板を配置する方法が検討されている。この工法の課題の一つとして,堤体内に矢板を配置することで地震時に矢板と地盤との境界面にひび割れが生じ,浸透特性に影響することが懸念される。そこで,地震時から高水時まで連続して再現する模型実験を実施し,地震時や越水時にも本工法により堤防機能が維持され,L2地震動相当の加振履歴を受けても浸透特性が変化しないことを確認した。さらに,矢板下端を液状化層内に留めて対策コストを低減したフローティング構造が有効であることも確認した。","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"175 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114542327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Evaluating method of shear strength and residual strength of aging cement-treated sands from its unconfined compression strength 从无侧限抗压强度评价老化水泥处理砂抗剪强度和残余强度的方法
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.5.339
M. Yamada, H. Ohta, Toshio Adachi
{"title":"Evaluating method of shear strength and residual strength of aging cement-treated sands from its unconfined compression strength","authors":"M. Yamada, H. Ohta, Toshio Adachi","doi":"10.3208/JGS.5.339","DOIUrl":"https://doi.org/10.3208/JGS.5.339","url":null,"abstract":"","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116474136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Compressive characteristics of reconstituted marine clays with developed structures by adding a small amount of cement 加入少量水泥对结构发达的海相粘土的压缩特性研究
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/JGS.8.425
Kaoru Udaka, T. Tsuchida, Y. Imai, Yixin Tang
{"title":"Compressive characteristics of reconstituted marine clays with developed structures by adding a small amount of cement","authors":"Kaoru Udaka, T. Tsuchida, Y. Imai, Yixin Tang","doi":"10.3208/JGS.8.425","DOIUrl":"https://doi.org/10.3208/JGS.8.425","url":null,"abstract":"","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121654893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Reduction of water measures of a tunnel spring containing arsenic in the Hokusatu tunnel: - Rock grouting of the mountains tunnel which applied a grouting technology of the dam -@@@-ダムのグラウチング技術を適用した山岳トンネルの岩盤グラウチング- Reduction of water measures of a tunnel spring containing arsenic in the Hokusatu tunnel:- Rock grouting of the mountains tunnel which applied a grouting technology of the dam-@@@ -应用大坝钻探技术的山岳隧道岩层钻探-
Jiban Kogaku Janaru (japanese Geotechnical Journal) Pub Date : 1900-01-01 DOI: 10.3208/jgs.12.469
Nobuyoshi Kotajima, Masabumi Suzuki, T. Nakade, M. Katayama, H. Tezuka, George Kisanuki
{"title":"Reduction of water measures of a tunnel spring containing arsenic in the Hokusatu tunnel: - Rock grouting of the mountains tunnel which applied a grouting technology of the dam -@@@-ダムのグラウチング技術を適用した山岳トンネルの岩盤グラウチング-","authors":"Nobuyoshi Kotajima, Masabumi Suzuki, T. Nakade, M. Katayama, H. Tezuka, George Kisanuki","doi":"10.3208/jgs.12.469","DOIUrl":"https://doi.org/10.3208/jgs.12.469","url":null,"abstract":"","PeriodicalId":246019,"journal":{"name":"Jiban Kogaku Janaru (japanese Geotechnical Journal)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114772873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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