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筋土接触面直剪试验研究

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Indexed by:期刊论文

Date of Publication:2012-12-28

Journal:低温建筑技术

Included Journals:ISTIC

Volume:34

Issue:12

Page Number:97-98

ISSN No.:1001-6864

Key Words:接触面;剪切特性;直剪试验

Abstract:为研究筋材与砂土接触面剪切特性,在改造的直剪仪上进行了筋材与砂土界面的直剪试验.结果表明:筋土接触面摩擦关系曲线符合摩尔-库仑强度准则.在本次试验的含水率范围内,筋土接触面的粘聚力随着含水率的增加而增加,摩擦角随着含水率的增加而减小.含水率为4%,筋土接触面的粘聚力和摩擦角随着砂土干密度的增大而增大.

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