The method for the calculation of the dynamic impedances of a single pile in layered soil is developed.
提出了计算层状土中单桩动力阻抗的方法。
Numerical examples for the stiffness analyses of the pile in layered soil definitely confirm the above conclusions.
层土中桩端刚度分析的数例说明了这一方法的适用性。
Based on modal perturbation method, a new approach is developed for solving the random seismic response of horizontal layered soil.
基于模态摄动方法，提出了层状土层随机地震反应的近似分析方法。
The space substructure method is used to analyse the space frame, and the finite layer summation method is used for the layered soil.
在分析中，上部结构用空间子结构法分析，而分层土用分层总和法求其刚度。
A nonlinear elastoplastic model is applied to simulate the full face 3-d excavation process of a shallow tunnel embedded in layered soil.
文章应用非线性弹塑性模型，对层状土地层中浅埋隧道全断面开挖过程进行了三维有限元分析。
A solution to the torsional response of a multi defective pile in layered soil is presented, when subjected to an impact torque at pile top.
给出层状土中多缺陷桩在桩顶冲击扭矩作用下桩顶扭转响应的解。
The pile-soil-cushion-cap interaction and the nonlinearity of load transfer for layered soil could be considered conveniently in this method.
该方法可方便地考虑桩、土、承台和垫层的相互作用，地基土的分层特性和桩身荷载传递函数的非线性。
The problems of water infiltration into layered soil and groundwater recharge are simulated through laboratory experiments and numerical method.
本文通过室内实验和数值计算，对层状土中降雨补给浅层地下水问题进行模拟。
A random wave-theory analysis method is developed for the random seismic response analysis of layered soil sites under the P-and SV-wave excitations.
提出了P、SV波作用下层状土层地震反应分析的随机波动分析方法。
Longitudinal vibration of pile with variable impedance (variable sections or modulus) in layered soil undergoing arbitrary load is theoretically investigated.
对成层土中变阻抗(变模量或变截面)桩在任意激振力作用下的纵向振动特性进行了研究。
According to lab simulation experiment, the feature of layered soil solute transport was analyzed, and the changes of solute transport parameter were studied.
通过室内模拟试验，分析了层状土溶质运移特性，研究了层状土溶质运移参数变化特征。
And the results show that it is necessary to take account of anisotropy of layered soil effect in the seismic analysis of shield tunnel system in layered soil.
结果表明，在层状土体-地铁区间隧道的抗震分析中考虑土体各向异性的影响是必要的，所提出的计算模型是可行的。
Two practical composite soil nailed walls located in layered soil were calculated with the present method. The results were close to the measured displacement.
同时计算了两个成层土层中的复合土钉支护位移，计算结果与实测数据比较吻合。
Based on the proposed transfer function, an intensive research have been carried out to study the load transfer behavior for a single pile in multi layered soil.
基于所提出的荷载位移传递函数，研究了多层土中单桩的荷载位移特性。
A new analysis technique, called random wave analysis method, is developed for the random seismic response analysis of layered soil sites under SH wave excitation.
提出了SH波作用下层状土层地震反应分析的随机波动分析方法。
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。
In order to simplify the layered soil by this model, this article provides a variably damped least square method to identify the parameters by using the actual acceleration records.
为了将这一模型应用于此类土层，本文根据实际地震动记录，提出了一种变阻尼最小二乘反分析方法，可用来识别模型中的各个参数值。
The fundamental solutions for displacements and stress components of the layered soil due to unit internal ring loading are first derived with integral transforms and the transfer matrix method.
采用积分变换和传递矩阵方法，求解了成层土在内部环形荷载作用下的基本解；
In this paper, the dynamic response of horizontal and rocking coupling caisson foundation of gravity offshore platform on layered soil is discussed on the basis of the layered semi-space theory.
本文基于层状半空间理论处理了位于层土地基上的重力式海洋平台沉箱基础的水平、摇摆耦合的动力反应问题。
The paper has studied and discussed the amplification of incident waves about acceleration time-domain and acceleration response spectrum in local deposit on the bedrock of single layered soil .
本文研究并讨论了基岩上单一土层中沉积局部场地对入射地震波的加速度时程和加速度反应谱的放大作用。
The effects of incident angle of wave and elastic rock on the seismic responses of layered soil sites are considered precisely and conveniently. The influences of angle of incidence of P-and SV-…
文中进一步通过算例分析，探讨了P、SV波的入射角度、土层厚度以及基岩和土层间的剪切波速比等因素对土层随机地震反应的影响。
A new method of calculating soil pressure diagram for multi-layered soil excavation with finite surcharge is presented and the results are compared with those of the trapezoid soil pressure diagram.
本文对于有限地面荷载作用下的多层土基坑提出了合理的土压力计算方法，并与梯形土压力分布模式进行了对比。
The actual solutions can be acquired by inverting the Laplace-Hankel transform. The influence of Poisson's ratio, pumping method and time on the surface displacement of multi-layered soil is analyzed.
通过相应的逆变换，得到了该问题的真实解答，并分析了泊松比、抽水形式和时间对饱和层状地基地表位移的影响。
Garden-like "wetland cells" layered with plants, soil, and rocks collect the water and capture biological compounds and pathogens.
像花园一样，一块块“湿地”上填上泥土和岩石，种上植物，吸收水分并吸附生物化合物和病原体。
The elastic layered half-space soil model is established in the cylindrical coordinates.
建立了柱面坐标系下分层弹性半空间地基土模型。
Because of the nature and human's activity, soil often takes on layered phenomena. The layered structure influence the feature of water and solute transport.
由于自然和人为因素作用，土壤常常呈现层状结构，这种层状结构影响土壤水分和溶质的运移特性。
Because of using the fundamental solutions of layered elastic solids, the proposed method can be used for analysis of the pile-foundation interaction in non-homogeneous soil.
建立桩身单元的位移应力方程时，采用压缩杆理论；建立土体界面单元方程时，采用层状材料基本解。
Soil model of Winkler and Soil model of elastic half-infinite system can not include the soil continuity and layered property, shearing stress in soil and stress diffusing.
在已有的线弹性地基模型中，文克尔地基模型和弹性半无限体等地基模型都不能将完整的将土介质的连续性、分层特性、地基中的剪应力以及应力扩散等特性包含进去。
The model is only suitable to isotropic elastic soil, but the soil stratum in real engineering site is always layered and anisotropic one.
这种模型适合各向同性的单一土层，而实际工程场地的地基土多是各向异性的成层土层。
Based on an improved layered foundation model, the interaction of piles-soil-raft is taken into account to formulate a nonlinear method for the analysis of piled raft foundations.
基于改进的分层地基模型，考虑桩—土—筏的共同作用，提出了刚性桩筏基础非线性分析方法。
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