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Numerical simulation of thermo-hydro-mechanical coupling in near field of model test for geological disposal of nuclear waste
Author(s): 
Pages: 2489-2494
Year: Issue:  12
Journal: ROCK AND SOIL MECHANICS

Keyword:  岩土力学核废物地质处置Task-2模型试验热-水-应力耦合数值模拟;
Abstract: 笔者描述了所建立的饱和-非饱和介质中热-水-应力耦合现象的控制方程.针对国际合作项目DECOVALEXⅡ中Task-2的核废物地质处置轴对称模型试验及计算参数,使用所研制的有限元程序进行了热-水-应力耦合过程模拟.对缓冲层及岩体中若干部位的温度、含水量及接触应力的分布、变化进行了分析,并将其与量测值和使用THAMES程序的计算结果作了比较,看到了三者的异、同之处,并指出了可能的影响原因.通过与量测值和THAMES程序的计算结果的对比,显示了笔者所研制的有限元程序在热-水-应力耦合数值分析中是可靠和实用的.
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