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地下水位下降对建筑地基变形计算的影响

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摘要 城市建设不断加快,因大量开采地下水引起地下水位持续下降现象越发严重,导致土体有效应力变化,发生饱和~非饱和土体固结沉降。而目前地基的变形计算大都采用规范推荐的分层总和法,计算中未考虑建筑物运营期地基地下水位下降对地基变形的影响。通过算例分析不同水位降深饱和、非饱和区域的沉降量,指出地面沉降随着地下水位降低不断增大,设计方案中应考虑地下水位下降引起的地基变形因素。
作者 蓝晓锋
出处 《西南公路》 2013年第2期55-56,61,共3页 Southwest Highway
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参考文献6

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