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降雨条件下北川斜坡破坏的数值模拟
Alternative TitleNumerical simulation of rainfall-induced slope failure debris flow in Beichuan
王淑云; 叶天力; 鲁晓兵; 聂雪媛
Source Publication中国地质灾害与防治学报
2014
Volume25Issue:2Pages:43-48
ISSN1003-8035
Abstract本文采用FLAC的两相流模式和修正的Mohr-Coulomb模型,对北川地区震后土在降雨条件下的位移和速度矢量进行了数值模拟和分析,同时在室内进行了降雨条件下斜坡破坏的模型实验。分析结果表明:土体在沿坡面的最大水平位移发生在坡脚处,土体水平位移是衡量斜坡破坏的首要指标,可采用坡面特征点的位移突变作为斜坡破坏的判别标准;数值模拟得到的斜坡破坏与降雨历时关系与室内模型实验结果吻合较好。
Keyword降雨 斜坡破坏 启动 数值模拟
Indexed ByCSCD
Language中文
Funding Organization国家基础研究计划“地震引起山地次生灾害的活动性和形成规律”(2008CB425802)
CSCD IDCSCD:5174806
DepartmentLMFS海洋土力学(LHO)
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49171
Collection流固耦合系统力学重点实验室
Recommended Citation
GB/T 7714
王淑云,叶天力,鲁晓兵,等. 降雨条件下北川斜坡破坏的数值模拟[J]. 中国地质灾害与防治学报,2014,25(2):43-48.
APA 王淑云,叶天力,鲁晓兵,&聂雪媛.(2014).降雨条件下北川斜坡破坏的数值模拟.中国地质灾害与防治学报,25(2),43-48.
MLA 王淑云,et al."降雨条件下北川斜坡破坏的数值模拟".中国地质灾害与防治学报 25.2(2014):43-48.
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