水位降落期堤防上游边坡抗滑稳定初步研究  被引量:8

Preliminary study on dyke upstream slope skid resistance stability during drawdown period

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作  者:康锋 陶春洁 李志强 

机构地区:[1]河南省豫北水利勘测设计院,河南安阳455000

出  处:《水利建设与管理》2016年第5期22-24,36,共4页Water Conservancy Construction and Management

摘  要:本文通过建立抗滑稳定力学模型分析比较,首次提出堤防水位下降时堤防的最危险滑裂面不断向上游侧偏移。通过抗滑稳定成果对比,提出堤防临水侧边坡在水位降落初期抗滑稳定较弱。同时阐述了水位下降时最危险滑裂面的变化规律,为管理部门对堤防合理运用提供依据,也为进一步研究堤防临水面水位下降期边坡抗滑稳定提供依据。In the paper, it is firstly proposed that the most dangerous slip surface of the dyke is continuously deviated to the upstream side during dyke water level decrease through establishing skid resistance stability dynamic model for analysis and comparison. The dyke waterside slope has weaker skid resistance stability at the initial stage of water level decrease through comparison of skid resistance stability results. Meanwhile, the change rule of the most dangerous slip surface during water level decrease is described, which provides basis for management department to rationally use dykes and further studying slope skid resistance stability during water level decrease of dyke waterside surface.

关 键 词:堤防边坡 抗滑稳定 分析 

分 类 号:TV871[水利工程—水利水电工程]

 

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