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工业建筑  2008 

多层渗透各向异性地基非轴对称固结分析

DOI: 10.13204/j.gyjz200811015, PP. 58-62

Keywords: 渗透各向异性,Fourier级数展开,Laplace-Hankel变换,传递矩阵法

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Abstract:

从渗透各向异性非轴对称固结基本方程出发,通过引入Fourier级数展开,对时间t、坐标r的Laplace-Hankel变换,再对坐标z的Laplace变换,得到四元一次方程组,解此方程组,并进行Laplace逆变换,得到了单层渗透各向异性地基非轴对称固结问题的传递矩阵,然后利用传递矩阵法,结合层间连续性条件和边界条件,得到了多层渗透各向异性地基非轴对称固结问题在积分变换域内的解。最后应用Laplace-Hankel逆变换技术得到非轴对称固结问题在物理域内的理论解;并编制出相应的计算程序,进行数值计算和分析,以讨论渗透各向异性对地基固结的影响。

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