DEFORMATION AND STRENGTH OF GEOGRID-REINFORCED GRANULAR SOIL AT PLANE STRAIN CONDITIONS
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概要
- 論文の詳細を見る
This paper reports deformation and strength characteristics for a geogrid-reinforced granular soil on a large-scale plane strain compression apparatus. The influence of intensity and types of geogrid reinforcement is specifically discussed. It was found that as more reinforcement layers are used, the strength of the reinforced soil increased. In cases where reinforcement is most intensely used, the reinforcement layers in the samples were eventually subject to breakage due to plane strain compression and the reinforced soil failed. In cases where reinforcement is less intensely used, the reinforced soil reached failure without any sign of reinforcement breakage. It was also found that types of reinforcement have a significant influence on the lateral deformation of the reinforced soil, where stiffer reinforcement provides more constraints on lateral deformation of the reinforced soil. It can be superceded, however, by the influence of reinforcement intensity. The small stain measurement by means of LDT observed that the stiffness of non-reinforced soil begins to decrease more rapidly at a strain level of 0.05〜0.15%, compared to the reinforced soil. The experimental results also indicate that the relationship between the apparent angle of internal friction and the geometry of the structure of the reinforced granular soil seems to exist for the geogrid reinforcement used in the tests reported in this paper.
- 社団法人地盤工学会の論文
- 1998-03-15
著者
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桝尾 孝之
Taiyo Kogyo Corporation
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塚本 良道
Department of Civil Engineering, Tokyo University of Science
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樋口 貴也
株式会社U. S. コンサルタンツ
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樋口 貴也
Department of Civil Engineering, Science University of Tokyo.
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石原 研而
Department of Civil Engineering, Science University of Tokyo.
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塚本 良道
東京理科大学理工学部土木工学科
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塚本 良道
Department Of Civil Engineering Tokyo University Of Science
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石原 研而
Department Of Civil Engineering Chuo University:department Of Civil Engineering Tokyo University Of
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