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NAOSITE : Nagasaki University's Academic Output SITE > 060 工学部・工学研究科 > 060 紀要 > 長崎大学工学部研究報告 > 第21巻 第36号 >

ジオテキスタイルを用いた覆土工法の設計法と効果判定のための解析法の提案


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タイトル: ジオテキスタイルを用いた覆土工法の設計法と効果判定のための解析法の提案
その他のタイトル: A Proposal of Design and Analytical Procedure for Earth Covering Method Reinforced with Geotextiles.
著者: 棚橋, 由彦 / 禿, 和英 / 平尾, 和年 / 高岡, 恭三 / 西村, 淳
著者(別表記) : Tanabashi, Yoshihiko / Kamuro, Kazuhide / Hirao, Kazutoshi / Takaoka, Kyozo / Nishimura, Jun
発行日: 1991年 1月
出版者: 長崎大学工学部 / Faculty of Engineering, Nagasaki University
引用: 長崎大学工学部研究報告, 21(36), pp.43-52; 1991
抄録: Soft alluvial clay deposits, unable to insure traficability, are very popular in Japan. Earth covering method with sheet or net has been developed from 1966 to 1967 in Japan for the security of traficability. Recently, the earth covering excution with geotextiles has gradually increased. However, a rational design for the earth covering method with the reinforced materials, has not been established, because of the variation of the ground condition, the tensile stress within the geotextiles and the thickness of covering layer according with excution procedure. First, this paper proposes a reasonable design for the earth covering method reinforced with geotextiles, integrating the past investigations. Secondaly, the paper proposes a new analytical procedure for the judgement of the effectiveness of geotextiles as the reinfoced materials, and for the establishment of a new design in the near future. The proposed finite element technique is consisted of rational modelings for soil, geotextile and the interaction between those materiales. Each modeling is as follows. 1) Soil model is the elasto-viscop1astic model proposed by Sekiguchi and Ohta. 2) Geotextile model is a plane truss element with pin connections. 3) Interaction model is a Goodman's joint element considering a deformation dependancy of pull-out resistance. From the comparison between the calculated and the observed values for the model experiments carried out by Yasuhara and Hirao, the availability of the proposed technique has been shown.
URI: http://hdl.handle.net/10069/24331
ISSN: 02860902
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第21巻 第36号

引用URI : http://hdl.handle.net/10069/24331

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