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peng zhang tu bian po
Author(s): 
Pages: 16-19
Year: Issue:  2
Journal: Geotechnical Investigation & Surveying

Keyword:  膨胀土边坡开挖边坡含水量强度指标抗剪强度胀缩性边坡稳定稳定角收缩性能土体强度;
Abstract: <正> 膨胀土由于其特殊的膨胀——收缩性能而使其边坡问题复杂化,本文从研究边坡稳定的主要力学指标——抗剪强度着手,论述我国南方膨胀土边坡的变形破坏和其自然稳定角,从而建议边坡设计的坡比值。一、边坡上膨胀土的强度膨胀土由于其裂隙发育而将土体切割呈大小不等的块体,这些块体具有较高的强度,而块体之间的联系则较薄弱,最为薄弱
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