Layered soils has been an extensive distribution in the nature.
层次性土壤在自然界有广泛的分布。
Adopting the solution of subsection and combination (SSC), the analytic expression of rigidity of single pile in layered soils is deduced.
采用分段联解法求解层状地基中单桩的抗压静刚度，获得刚度的解析表达式。
Layered soils and elastic half-space were simulated by thin layer elements with quadratic shape function and paraxial boundary respectively.
采用二次形函数薄层单元和傍轴边界分别模拟弹性半空间上的层状场地和半空间。
A continuous functional model was proposed to simulate infiltration in layered soils, and it has been tested effective with experimental data.
提出了模拟层状土水分入渗规律的连续函数模型，并经实验数据检验，效果良好。
The numerical model of 1-d water infiltration and solute transport through layered soils is constructed by the characteristic finite element method.
应用特征有限元法对一维非饱和分层土壤水分入渗方程及溶质运移方程进行离散化，得到了其特征有限元数值模型。
The analysis method in frequency domain is adopted to treat the transversely isotropic multi-layered soils, and response of soil layers under the upward shear waves is obtained.
采用频域分析方法，对多层横观各向同性土层对垂直向上的入射剪切波的反应进行了分析。
If the nonlinear property of soils is ignored further, AODNRCLS will return to ODCALS that was developed based on the one-dimensional linear elastic consolidation theory of layered soils.
而当进一步不考虑土的非线性时，程序便可化为成层地基一维线弹性固结计算程序odcals。
Infiltration process of layered soils was expressed as different stages using common infiltration models and linear models, and the methods about how to obtain major parameters were also derived.
利用常用的入渗模型和线性模型，将层状结构土壤的水分入渗过程进行分段表示，并分析得到了计算有关参数的方法。
According to the field data of Lateral loaded steel piles at home and abroad, an empirical formula for evaluating, modulus of subgrade reaction under static loading in layered soils was proposed.
根据国内外横向荷载下钢管桩现场试验资料，本文提出了静载作用下多层地基地基系数k_s的经验公式。
Numerical examples prove good accuracy of the artificial boundary conditions and wave motion input method, which can be easily used in study of problems of nonlinear wave motion in layered soils.
数值算例表明，所给出的人工边界与波动输入方法具有良好的精度，可以方便地应用于成层地基非线性波动问题的研究。
By comparing with the experimental results of true triaxial tests on sands, the proposed strength criterion was validated to predict the strength of layered-anisotropic soils.
通过预测两组砂土真三轴试验结果，进一步地证实所提出强度准则的合理性。
By comparing with the experimental results of true triaxial tests on sands, the proposed strength criterion was validated to predict the strength of layered-anisotropic soils.
通过预测两组砂土真三轴试验结果，进一步地证实所提出强度准则的合理性。
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