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Study on damage forms and mechanism of loess slope in Huanxian of Gansu Province
Author(s): 
Pages: 16-19
Year: Issue:  11
Journal: Geotechnical Investigation & Surveying

Keyword:  黄土边坡 破坏机理 降雨冲刷 滑塌 冻融条件;
Abstract: 在野外调查、室内试验的基础上,对甘肃环县黄土边坡的变形破坏类型及机理进行了研究。研究表明,该区黄土边坡破坏主要分为坡面冲刷、边坡上部滑塌和坡脚冻融破坏三种,并对三种类型的破坏机理进行了深入分析,最后得出黄土含水率低、结构稳定性差、其自身的渗透性和湿陷性为边坡破坏提供了前提条件,而多种不良地质现象的发育破坏了边坡的完整性,成为水流冲蚀的优势通道,影响了边坡的稳定性。
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