嶂山闸闸基扬压力异常现象物理成因分析
首发时间:2008-09-27
摘要:嶂山闸运行期间出现闸基扬压力高于设计值的“异常现象”。闸基扬压力的异常给工程带来很大的安全隐患,这个问题一直困扰着工程界。本文从弱透水层、承压水层、岸边绕渗、环境水及夹层等不同的方向出发,分析这些因素对扬压力影响的产生机理,为以后工程的设计和施工提供借鉴
关键词: 异常现象 扬压力 渗透压力 弱透水层 承压水 绕渗 环境水
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Physical-origin analysis of Uplift Pressure’s Abnormal phenomena on Zhang Shanzha foundation
Abstract:During the run of Zhang Shanzha , there is Abnormal phenomena of uplift pressure,which is the uplift pressure of sluice foundation overruns design value. The Abnormal phenomena of uplift pressure could bring the safety problem to projects,And it is a difficult problem to engineering. This article, from different aspects, analyzes influencing factors of the uplift pressure, such as the weak aquifers、pressure water、around-seepage、around-seepage and environment water are analyzed, and offers experience for further projects.
Keywords: Abnormal phenomena;uplift pressure;seepage pressure weak aquifers;pressure water;around-seepage;environment water
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