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OALib Journal期刊
ISSN: 2333-9721
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渗透系数非线性的一维热固结分析
DOI: 10.3969/j.issn.1671-7627.2014.06.020, PP. 111-117
Keywords: 热固结,热-水-力耦合,渗透系数,非线性,有限差分法
Abstract:
基于考虑渗透系数非线性的饱和多孔介质一维热-水-力耦合控制方程,提出有限差分数值求解方法,并编制相应程序。利用该程序对一算例进行分析。结果表明:在渗透系数为常量的情况下解答与现有解析解答完全一致,验证了数值解和程序的正确性。考虑渗透系数随温度非线性变化的热固结,对温度场变化没有影响,但孔压消散明显加快,达到最终沉降量所需时间也减小。温度荷载越大,固结越快。
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