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WATERPROOF CHARACTERISTICS OF GEOCOMPOSITE FOR LANDFILL CAP COVER UNDER TENSILE DEFORMATION 土工复合材料填埋场盖层拉伸变形防水性能研究
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.25.241
Masaki Nishimura, T. Akai, M. Kamon
{"title":"WATERPROOF CHARACTERISTICS OF GEOCOMPOSITE FOR LANDFILL CAP COVER UNDER TENSILE DEFORMATION","authors":"Masaki Nishimura, T. Akai, M. Kamon","doi":"10.5030/JCIGSJOURNAL.25.241","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.25.241","url":null,"abstract":"","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"20 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":"133119477","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
CHARACTERISTIC OF DYNAMIC BEHAVIOR FOR BURIED BEND WITH LIGHTWEIGHT THRUST RESTRAINT USING GEOGRIDS 土工格栅轻推力约束埋地弯道动力特性研究
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.23.133
T. Kawabata, Y. Sawada, Y. Mohri, Akira Izumi, M. Ariyoshi, T. Hirai, Kikuo Saitō
{"title":"CHARACTERISTIC OF DYNAMIC BEHAVIOR FOR BURIED BEND WITH LIGHTWEIGHT THRUST RESTRAINT USING GEOGRIDS","authors":"T. Kawabata, Y. Sawada, Y. Mohri, Akira Izumi, M. Ariyoshi, T. Hirai, Kikuo Saitō","doi":"10.5030/JCIGSJOURNAL.23.133","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.23.133","url":null,"abstract":"圧力管曲管部に発生するスラスト力に対して，一般的にコンクリートブロックが曲管部に打設される．しかしながら，地震時にコンクリートブロックが曲管部の大きな変位や，隣接管の離脱などを生じさせることが報告されている．その対策として，著者らはジオグリッドを用いた軽量スラスト防護工法を提案し，これまでに，水平載荷実験や実規模実験，数値解析などを行い，当提案工法がスラスト防護工法として十分有効であることが明らかとなった．しかしながら，当提案工法の耐震性は明らかにされていない．そこで本研究では，当提案工法の地震時挙動を明らかにし，耐震性を検討するために振動台実験を行った．実験結果から，液状化地盤において，曲管部に当工法を用いた場合，管の水平移動量が抑制され，また曲管部の離脱が抑制されることが確認された．","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"48 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":"134614424","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
PULLOUT BEHAVIOUR OF GEO-CELL PLACED AS REINFORCEMENT IN BACKFILL 土工格室在充填体中加固的拉拔特性
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.24.75
T. Kiyota, R. Soma, H. Munoz, Tetsuya Kuroda, Jun-ichiro Ohta, M. Harata, F. Tatsuoka
{"title":"PULLOUT BEHAVIOUR OF GEO-CELL PLACED AS REINFORCEMENT IN BACKFILL","authors":"T. Kiyota, R. Soma, H. Munoz, Tetsuya Kuroda, Jun-ichiro Ohta, M. Harata, F. Tatsuoka","doi":"10.5030/JCIGSJOURNAL.24.75","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.24.75","url":null,"abstract":"","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"55 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":"121516933","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
分割型壁面のジオテキスタイル補強土壁に関する動的遠心模型実験（その２ 地震時挙動と変形特性） 关于分体式墙面的地质加固土墙的动态离心模型实验(二、地震时的行为和变形特性)
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.25.119
進 中島, 忠夫 榎本, 哲也 佐々木
{"title":"分割型壁面のジオテキスタイル補強土壁に関する動的遠心模型実験（その２ 地震時挙動と変形特性）","authors":"進 中島, 忠夫 榎本, 哲也 佐々木","doi":"10.5030/JCIGSJOURNAL.25.119","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.25.119","url":null,"abstract":"分割型壁面を有するジオテキスタイル補強土壁について，常時・地震時の補強土壁の挙動を精緻に把握すること及びその崩壊メカニズムを把握することを目的として，１）補強材配置，２）壁面高さ，３）基礎地盤条件，４）壁面工の形式，５）背後地盤条件を変化させて動的遠心模型実験を実施した．本報では，補強土壁の耐震性に顕著な影響を及ぼす諸要因を実験条件に応じて整理した。それと共に、補強土壁の荷重-変位モデルを明らかにするために，慣性力・地震時土圧・変位の位相特性に着目して検討を行った．その結果、補強土壁に作用する荷重として地震時土圧と慣性力を考慮し、その荷重により補強領域にせん断変形と壁面間での相対変位が生じると考えることで、模型実験における補強土壁の変形状況と、慣性力・地震時土圧・変位の位相特性を説明できる事が分かった。","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"114 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120930009","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
REINFORCEMENT OF PASSIVE AREA AGAINST THRUST FORCE FOR BURIED BEND USING GEOSYNTHETICS 用土工合成材料加固埋弯被动区抗推力
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.23.127
T. Kawabata, Y. Sawada, Ayumu Kashiwagi, Y. Mohri, K. Uchida
{"title":"REINFORCEMENT OF PASSIVE AREA AGAINST THRUST FORCE FOR BURIED BEND USING GEOSYNTHETICS","authors":"T. Kawabata, Y. Sawada, Ayumu Kashiwagi, Y. Mohri, K. Uchida","doi":"10.5030/JCIGSJOURNAL.23.127","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.23.127","url":null,"abstract":"Thrust forces can be generated at the bend of a pipeline due to internal water pressure. Commonly, the thrust force is resisted by passive resistance acting on the bend. A concrete block can be installed at the bend when the thrust force is larger than the passive resistance. However, the heavy concrete block can become a weak point during an earthquake, because the concrete block moves largely due to inertia force. Therefore, new methods for thrust restraint are required. In this paper, new backfill methods for thrust restraint using geogrids are proposed. The new method comprised geogrids, installed in the passive area to improve the strength of the ground. In addition, gravel was used as backfill material in the passive area of the bend. In order to verify the effect of the proposed methods, lateral loading experiments were carried out using a model pipe with a diameter of 114 mm. The model pipe was backfilled with dry sand. After backfilling, the model pipe was laterally loaded at 0.5 mm/min. using a jack. The lateral resistance and lateral displacement acting on the model pipe were both measured. It was confirmed that the lateral resistance increased when using the proposed methods.","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"92 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":"116910634","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: 1
Piled Geo-wall（杭を用いた補強土擁壁）の静的水平抵抗特性 Piled Geo-wall(木桩加固挡土墙)的静态水平阻力特性
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/jcigsjournal.25.203
隆史 原, 辻 慎一朗, 眞輝 吉田, 修二 伊藤
{"title":"Piled Geo-wall（杭を用いた補強土擁壁）の静的水平抵抗特性","authors":"隆史 原, 辻 慎一朗, 眞輝 吉田, 修二 伊藤","doi":"10.5030/jcigsjournal.25.203","DOIUrl":"https://doi.org/10.5030/jcigsjournal.25.203","url":null,"abstract":"","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"31 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":"125518157","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
LIFE CYCLE COST ANALYSIS OF GEOSYNTHETICS REINFORCED SOIL WALL 土工合成材料加筋土墙寿命周期成本分析
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.25.177
Y. Miyata, M. Shinoda, T. Konami, K. Ohno, T. Yonezawa, Jun-ichi Hironaka
{"title":"LIFE CYCLE COST ANALYSIS OF GEOSYNTHETICS REINFORCED SOIL WALL","authors":"Y. Miyata, M. Shinoda, T. Konami, K. Ohno, T. Yonezawa, Jun-ichi Hironaka","doi":"10.5030/JCIGSJOURNAL.25.177","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.25.177","url":null,"abstract":"ジオグリッド補強土壁のライフサイクルコスト（LCC）の計算法が提案される．提案法は，初期建設費，維持管理費，地震による災害復旧リスクの和でLCCを評価する．ジオグリッド補強土構造物の冗長性を考慮できる信頼性解析法で計算される破壊確率災害復旧費の積で災害復旧リスクを計算する方法を示した．LCC解析の結果に基づき，ジオグリッド補強土壁は，L型擁壁や無補強盛土に対して大きなアドバンテージを有することを示す．本文の成果は，IGS日本支部技術委員会第４ステージ（2007-2009）の成果の一部である．","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"25 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":"129721883","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
Investigation of direct shear behavior on tire chips using X-ray CT 轮胎切屑的x线CT直剪特性研究
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.23.75
Satomi Shimada, H. Hemanta, J. Otani, Y. Kikuchi
{"title":"Investigation of direct shear behavior on tire chips using X-ray CT","authors":"Satomi Shimada, H. Hemanta, J. Otani, Y. Kikuchi","doi":"10.5030/JCIGSJOURNAL.23.75","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.23.75","url":null,"abstract":"","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"55 1 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":"130905857","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
REPARING METHOD USING A FLEXIBLE GEOMEMBRANE ON THE JOINT OF THE CONCRETE FACING TYPE RESERVOIR 采用柔性土工膜对混凝土面型水库接缝进行修补
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.23.253
Tomotake Kato, T. Kishimoto, M. Mori, Takehisa Mori, I. Natsuka
{"title":"REPARING METHOD USING A FLEXIBLE GEOMEMBRANE ON THE JOINT OF THE CONCRETE FACING TYPE RESERVOIR","authors":"Tomotake Kato, T. Kishimoto, M. Mori, Takehisa Mori, I. Natsuka","doi":"10.5030/JCIGSJOURNAL.23.253","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.23.253","url":null,"abstract":"近年，農業水利施設において，劣化などによる水利機能の低下が問題となっている．筆者らは，コンクリートフェーシング式貯水池の目地部を対象とし，ジオメンブレンを活用した補修工法の開発を行っている．本工法は，従来の表面遮水工法と異なり，目地部にのみジオメンブレンを敷設するため，使用材料を最小限に抑えることができ，経済性および施工性に優れる．しかし一方で，目地両端部分にジオメンブレンと躯体との接合が連続的に発生することから，止水性に課題がある．この課題を解決すべく，本工法では，シール材を躯体表面とジオメンブレンの間に配置し，止水性の向上を図った．本報は，要求性能を想定した各種性能評価の概要および試験結果，ならびにシール材の相違による本工法の諸性能への影響についてとりまとめたものである．","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"1 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":"124340614","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
The role of geo-synthetics materials applied for slope stability and its evaluation method 土工合成材料在边坡稳定性中的作用及其评价方法
Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal) Pub Date : 1900-01-01 DOI: 10.5030/JCIGSJOURNAL.24.137
M. Fukuda, Zyoji Nishiura, H. Nishi, Tomohiro Yamazki
{"title":"The role of geo-synthetics materials applied for slope stability and its evaluation method","authors":"M. Fukuda, Zyoji Nishiura, H. Nishi, Tomohiro Yamazki","doi":"10.5030/JCIGSJOURNAL.24.137","DOIUrl":"https://doi.org/10.5030/JCIGSJOURNAL.24.137","url":null,"abstract":"降雨に対する斜面崩壊防止対策工としてのジオシンセティックス補強法の役割を概略的・総合的に評価する方法を検討する．斜面崩壊防止方法を体系化することによって要求される性能や材料特性あるいは構造様式や組み合わせなどの意義づけを行い，ジオシンセティックス補強材による開発の方向性を定量的に明確にすることを目的とする．特に表層からの浸透効果を検討する．使用したモデルは斜面の３平行層モデルであり，表層からの浸潤化，滑り面からの地下水上昇の影響を組み入れるモデルを設定した．そして平行層モデルの一般化の範囲を明確にして，ジオシンセティックス材料の役割あるいは付与する性能の評価を行った．また進行性斜面崩壊現象を定義し，日常的な斜面の維持管理におけるジオシンセティックス材料や開発方向を明確にする試みを行う．","PeriodicalId":165094,"journal":{"name":"Jioshinsetikkusu Rombunshu (geosynthetics Engineering Journal)","volume":"3 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":"128464413","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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