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Doboku Gakkai Ronbunshuu C最新文献

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ESTIMATION OF THICKNESS OF LIQUEFIED LAYER FROM SAND BOILING PATTERN 用砂沸腾模式估算液化层厚度
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.64.79
A. Yamaguchi, N. Yoshida, Y. Tobita
{"title":"ESTIMATION OF THICKNESS OF LIQUEFIED LAYER FROM SAND BOILING PATTERN","authors":"A. Yamaguchi, N. Yoshida, Y. Tobita","doi":"10.2208/JSCEJC.64.79","DOIUrl":"https://doi.org/10.2208/JSCEJC.64.79","url":null,"abstract":"A method to evaluate the thickness of the liquefied layer from the boiling sand appearing on the ground surface is proposed. The method is based on numerous shake table tests of sand ground with thin low permeable layer at the top. Sand boiling was observed on the ground top and lateral sides, and the area and the number of sand boils were counted. Both the low permeability layer and the Toyoura sand layer liquefied in tests. Based on this result, a relationship between thickness of the liquefied layer and number of sand boils per unit area was developed. The validity of the proposed equation is proven by the observation during the 2003 Miyagiken-hokubu earthquake.","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","volume":"33 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":"125345791","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
DERIVATION OF THE GOVERNMENT EQUATIONS FOR MASS TRANSFER WITH MULTICOMPONENT IN GAS-PAHSE OF SOIL 土中多组分气相质传递方程的推导
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.63.1035
Yoshihiko Hibi
{"title":"DERIVATION OF THE GOVERNMENT EQUATIONS FOR MASS TRANSFER WITH MULTICOMPONENT IN GAS-PAHSE OF SOIL","authors":"Yoshihiko Hibi","doi":"10.2208/JSCEJC.63.1035","DOIUrl":"https://doi.org/10.2208/JSCEJC.63.1035","url":null,"abstract":"土壌の気相中における物質移動の数値モデルは，塩素系有機溶剤や鉱物油などの揮発性液体の浄化効果を予測するための数値解析を行う上で非常に重要となる．そこで，本論文では，気相中の物質移動の支配方程式に関する論文を調査し，これまでの研究成果を整理した．さらに，本研究では，これまでの研究成果を踏まえて，効率的な数値解析に役立つことができる土壌のNAPL−ガス−水3相流状態における気相中の多成分物質移動方程式を導いた．","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","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":"125355355","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
EFFECTIVE CALCULATION OF LIMIT STATE EXCEEDANCE PROBABILITY OF EARTH SLOPES POTENTIALLY HAVING MULTIPLE CRITICAL SLIP SURFACES 潜在多重临界滑面土坡极限状态超越概率的有效计算
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.63.812
M. Shinoda, Tadanobu Sato, T. Yonezawa
{"title":"EFFECTIVE CALCULATION OF LIMIT STATE EXCEEDANCE PROBABILITY OF EARTH SLOPES POTENTIALLY HAVING MULTIPLE CRITICAL SLIP SURFACES","authors":"M. Shinoda, Tadanobu Sato, T. Yonezawa","doi":"10.2208/JSCEJC.63.812","DOIUrl":"https://doi.org/10.2208/JSCEJC.63.812","url":null,"abstract":"一般的な斜面の設計では，安全率が最小となる単一のすべり線を求めるのが通例だが，地盤のばらつき等により斜面のすべり線は潜在的に複数存在する場合がある．本研究では超一様分布列と重点サンプリングを用いて計算効率を大幅に改善したモンテカルロ法によって複数の潜在的すべり線を有する斜面の限界状態超過確率の算定を行った．超一様分布列における一様性の検討を行い有効性を確認した後に，重点サンプリングモンテカルロ法の収束性に与える設計点の影響について考察した．提案した手法により，複数の潜在的すべり線を有する斜面の限界状態超過確率を効率的に算定できることを示した．","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","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":"126924889","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
DESIGN METHOD FOR PILE FOUNDATIONS SUBJECTED TO LIQUEFACTION-INDUCED LATERAL FLOW 液化侧流作用下桩基的设计方法
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.63.487
Yoshihiko Suda, Masayuki Sato, Y. Tamari, T. Kokusho
{"title":"DESIGN METHOD FOR PILE FOUNDATIONS SUBJECTED TO LIQUEFACTION-INDUCED LATERAL FLOW","authors":"Yoshihiko Suda, Masayuki Sato, Y. Tamari, T. Kokusho","doi":"10.2208/JSCEJC.63.487","DOIUrl":"https://doi.org/10.2208/JSCEJC.63.487","url":null,"abstract":"","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","volume":"88 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":"126212091","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
DEVELOPMENT OF NUMERICAL SIMULATION METHOD FOR GAS MIGRATION THROUGH DENSE BENTONITE USING MODEL OF TWO-PHASE FLOW THROUGH DEFORMABLE POROUS MEDIA 基于可变形多孔介质两相流模型的致密膨润土气体运移数值模拟方法研究
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.66.530
Yukihisa Tanaka
{"title":"DEVELOPMENT OF NUMERICAL SIMULATION METHOD FOR GAS MIGRATION THROUGH DENSE BENTONITE USING MODEL OF TWO-PHASE FLOW THROUGH DEFORMABLE POROUS MEDIA","authors":"Yukihisa Tanaka","doi":"10.2208/JSCEJC.66.530","DOIUrl":"https://doi.org/10.2208/JSCEJC.66.530","url":null,"abstract":"","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","volume":"69 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":"114148781","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
STABILIZATION OF POOR SOIL BY PAPER MILL SLUDGE MIXING 造纸厂污泥混合稳定贫瘠土壤
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.1201/9780203885949-106
H. Shigematsu, Y. Demura, M. Fujiwara
{"title":"STABILIZATION OF POOR SOIL BY PAPER MILL SLUDGE MIXING","authors":"H. Shigematsu, Y. Demura, M. Fujiwara","doi":"10.1201/9780203885949-106","DOIUrl":"https://doi.org/10.1201/9780203885949-106","url":null,"abstract":"物性（活性度）の全く異なる3種類の処理対象土に，2種類の製紙スラッジ（PMFおよびPS灰）を混ぜ合わせ，2つの方法でコーン指数試験を実施した．これらの実験結果から，製紙スラッジを土の安定材として用いた場合の強度維持・強度回復効果（安定処理効果）を明確にした．また，実験に用いた供試体を走査型電子顕微鏡（SEM）で観察し，製紙スラッジと土粒子のインタラクションを視覚的に捉え，それが土の安定化と密接に関連していることを明らかにした．","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","volume":"36 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":"114157518","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: 8
DEFORMATION ANALYSIS OF EARTH-RETAINING WALL DURING EXCAVATION OF NAKANOSHIMA SOFT CLAY DEPOSIT BY AN ELASTO-VISCOPLASTIC FINITE ELEMENT METHOD 应用弹粘塑性有限元法分析中之岛软粘土沉积物开挖过程中挡土墙的变形
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.65.492
F. Oka, Y. Higo, M. Nakano, H. Mukai, T. Izumitani, S. Takeda, K. Amano, J. Nagaya
{"title":"DEFORMATION ANALYSIS OF EARTH-RETAINING WALL DURING EXCAVATION OF NAKANOSHIMA SOFT CLAY DEPOSIT BY AN ELASTO-VISCOPLASTIC FINITE ELEMENT METHOD","authors":"F. Oka, Y. Higo, M. Nakano, H. Mukai, T. Izumitani, S. Takeda, K. Amano, J. Nagaya","doi":"10.2208/JSCEJC.65.492","DOIUrl":"https://doi.org/10.2208/JSCEJC.65.492","url":null,"abstract":"大阪市北区中之島の地下鉄中之島線の建設において，駅部の工事では厚く堆積した軟弱な沖積粘土地盤の大規模な土留め掘削が行われた．都市部での施工であり，土留め壁と地盤の変形の厳正な管理が必要とされたが，無事掘削は完了した．本論文では，軟弱地盤大規模掘削時の土留め壁変形メカニズムを研究するため，弾粘塑性構成式による水－土連成有限要素法を用いた事後解析を行い，計測結果との比較から土留め壁の変形挙動を詳細に検討した．その結果，土留め壁根入れ部下端を固定点と仮定した土留め壁水平変位計測結果は，切梁軸力計測結果と矛盾しており，根入れ部の変位を計測に考慮する必要がある事を明らかにした．また，根入れ部の変位を考慮すれば，解析結果は土留め壁の変形モードを良く再現している．","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","volume":"22 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":"114185779","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
FIELD MONITORING OF RAINFALL INFILTRATION IN MODEL EMBANKMENTS COMPOSED OF VOLCANIC SANDY SOILS 火山砂土模型堤防降雨入渗的野外监测
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.64.519
Y. Kiyohara, M. Kazama
{"title":"FIELD MONITORING OF RAINFALL INFILTRATION IN MODEL EMBANKMENTS COMPOSED OF VOLCANIC SANDY SOILS","authors":"Y. Kiyohara, M. Kazama","doi":"10.2208/JSCEJC.64.519","DOIUrl":"https://doi.org/10.2208/JSCEJC.64.519","url":null,"abstract":"火山灰質土である八戸しらす，築館土からなる盛土を野外に作製し，降雨時の盛土内の体積含水率およびサクションの変化挙動を2004年から2006年までの結果をもとに整理し，連続雨量や降雨時間と体積含水率の増加特性とその経年変化，体積含水率とサクション関係から野外環境下における模型地盤の水分特性履歴を求めた．また，カラム試験により晴天時の各土質での植栽の有無による蒸発散特性を定量的に把握するとともに，野外盛土での植栽を施さない期間と施した期間での，降雨時後の体積含水率の変化挙動の違いを定量的に評価した結果を報告する．","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","volume":"43 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":"120945229","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: 5
OPTIMUM ENERGY CONSUMPTION FOR SOIL DENTIFICATION 土壤鉴定的最佳能耗
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.66.869
S. Nakajima, K. Tateyama
{"title":"OPTIMUM ENERGY CONSUMPTION FOR SOIL DENTIFICATION","authors":"S. Nakajima, K. Tateyama","doi":"10.2208/JSCEJC.66.869","DOIUrl":"https://doi.org/10.2208/JSCEJC.66.869","url":null,"abstract":"ある制約された時間内に土質材料を所定の密度まで圧縮するにあたり，載荷速度を制御して圧縮に必要なエネルギーを最小とする載荷速度の最適化について検討を行った．まず，バネ・ダッシュポットモデルに対して最適な載荷速度を定義した．その手法を一般的な土質モデルに適用して最適化に影響を及ぼすパラメータを求めた．また，不飽和の土質材料に対して載荷速度を変えた室内試験を実施して，実際の対象土質に対する最適載荷速度のパラメータを求めた．求められたパラメータをもとに，最適な載荷速度の制御方法を明らかにし，一般的な載荷速度一定の場合と比べて所定の圧縮に必要なエネルギーを低減できることを確認した．","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","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":"121096495","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
Geostatistical modeling of groundwater properties and assessment of their uncertainties 地下水性质的地质统计模拟及其不确定性评估
Doboku Gakkai Ronbunshuu C Pub Date : 1900-01-01 DOI: 10.2208/JSCEJC.66.609
M. Honda, Shinya Yamamoto, H. Sakurai, Makoto Suzuki, H. Sanada, Y. Sugita, H. Matsui
{"title":"Geostatistical modeling of groundwater properties and assessment of their uncertainties","authors":"M. Honda, Shinya Yamamoto, H. Sakurai, Makoto Suzuki, H. Sanada, Y. Sugita, H. Matsui","doi":"10.2208/JSCEJC.66.609","DOIUrl":"https://doi.org/10.2208/JSCEJC.66.609","url":null,"abstract":"地下深部の地質環境の把握に重要となる地下水水質分布を推定する手法として，広範囲かつ網羅的に調査が可能な電磁探査から得られる比抵抗値との相関関係を利用した地球統計学的手法を体系化し，幌延深地層研究計画における地上からの調査研究段階のデータを用いて検証を行った．具体的には広域～ボーリング孔のスケールで取得した各種比抵抗値データをその精度に応じて段階的に統合する手法に加えて，統合された比抵抗値モデルとの相関関係を利用して，離散的にしか得られない限られた地下水水質データから三次元分布モデルを構築する手法を提案した．さらにはモデルに含まれる不確実性について整理した上で定量化を試み，従来法との比較により提案手法の有効性を示した．","PeriodicalId":131805,"journal":{"name":"Doboku Gakkai Ronbunshuu C","volume":"5 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":"115972638","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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