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摘要：
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充填粘土袋工程的固结过程中,充填土体的渗透性变化较大。利用非线性Biot固结理论,建立了考虑固结过程中土体渗透性变化的固结分析方法。利用该法对设计的某充填粘土袋围堰固结过程进行模拟分析对比。结果表明:考虑渗透性变化时其固结速度远快于不考虑渗透性变化时的固结速度。因此在充填粘土袋工程的固结变形中考虑其渗透性变化是非常必要的。
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The permeability of geo-bag's clay fills will change significantly in the process of consolidation.Based on Biot's non-linear consolidation theory,a method of consolidation analyses with variable permeability of soil mass is provided in this paper.Using this method,simulation analyses and comparisons were done for the consolidation of geo-bag's clay fill of a cofferdam.From the results it can be seen that the time needed in this consolidation is shorter with variable permeability than that no consideration of variable permeability.Therefore,it is necessary to give a consideration to the effect of the change of permeability in the calculation of the consolidation of geo-bag's clay fills.
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基金项目：
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作者简介：
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参考文献：
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[1]钱家欢,殷宗泽.土工原理与计算[M].北京:中国水利电力出版社,1993:199-237.
[2]盛利,赵长伟,诸葛爱军.工程监测分析在大型充灌袋式防波堤工程中的应用[J].中国港湾建设,2006,(1):43-45.
[3]张文斌,谭家华.土工织物充填管状袋的设计研究[J].中国港湾建设,2004,(5):25-29.
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