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不同保护措施下地下管线受邻近基坑开挖影响的三维有限元分析

Keywords: 基坑开挖,地下管线,保护措施,三维有限元

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Abstract:

通过对相邻深基坑开挖对周围地下管线位移场的三维有限元分析,探讨了基坑被动区加固、管线侧向加固和管线底部加固等3种保护管线的方式,分析了3种保护措施下管线水平、竖向位移的变化,讨论了3种加固方式对管线位移的控制效果,比较了3种加固方式的优缺点,研究表明,基坑被动区加固是一种较为合理的管线保护措施.

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