土体

FLAC~（3D）在土体固结模拟中的应用

Application of FLAC ~ ( 3D ) in soil body consolidation simulation

不良岩土体分布广。无压浸渗法制备高体分比SiCp／Al

Bad soil body is distribute widely . SiCp / Al composites with high volume fraction prepared by pressureless infiltration

工程实际中，土体c与φ多呈负相关，因此，计算时不考虑参数相关性使计算结果偏于安全。

The result is conservative to predict slope safety without considering the correlation because the soil parameters is always negatively correlated . 2 .

结果表明，甚至当液相为不可压缩时，由于束缚空气的存在，饱水土体中亦存在着两种P波。

It is shown that so long as the restrained gas exists , there are two P waves and one S wave , even though the fluid phase is incompressible .

与土体部分脱离的埋置半圆形基础与SH波的动力相互作用

Dynamic Interaction between SH Wave and Embedded Semi-cylindrical Foundation Partially Unbounded from Soil

五种作物根际pH相对于土体土均有所下降，并随生育进程明显降低。

The rhizosphere soil pH of five kinds of crops were lower compared to bulk soil pH , and significantly decreased with the growth process .

岩土体的本构模型在Marc中的实施

Implement of Constitutive Models of Rock-Soil Mass in Marc

试验结果表明：ISS固化剂能有效提高土体力学性能，已建成道路使用较好。

The results indicate that ISS can improve mechanical properties of soil .

通过试验，得到了在荷载作用下Q3马兰黄土、Q2离石黄土土体中孔隙被压密各个阶段清晰的CT照片及土样剪切过程中各阶段的CT数据。

Through test , CT images and values including the whole process of Q_3 Malan loess and Q_2 Lishi loess under the different states were obtained .

针对深基坑工程设计中所需的各种土参数，特别是抗剪强度参数C和Φ值进行了分析，并依据不同的土体性质、排水条件和开挖条件，提出不同试验方法。

The soil coefficients of deep foundation reinforcing engineering , especially soil shear strength index of C and φ value are analyzed , and the different testing methods are proposed according to various soil qualities , dewatering and excavating conditions .

LNAPLs在土体中的运移特性研究

Study on Migration Behavior of LNAPLs in Soils

饱和土体作为液固两相介质常用Biot方程来分析土体颗粒与孔隙水间的相互作用。

Biot equation is often used for analysis of the interaction between soil skeleton and pore water of saturated soil , which is taken as a fluid-solid two-phase media .

设计的常态水环境下的化学组份变异与CO2分压增高水环境下的室内模拟试验，揭示了化学组份钙镁对土体结构的贡献与对宏观强度的作用。

It promulgates the contribution to soil structure and the function to its macroscopic intensity of chemical components such as calcium and magnesium through simulation test including chemical component variation and enhancement of partial pressure of CO2 under normal water environment .

利用J2流动理论各向同性硬化原理，结合离散元方法，建立筒型基础土体本构关系。

The constitutive relationship of bucket foundation was analyzed by the principle of J2 flow theory and isotropic based on a deformable distinct element method .

基于Biot动力固结方程，考虑了土体和水体的惯性力以及水土之间的耦合作用，采用LaplaceHankel积分变换求解耦联合方程组，得到动荷载下饱和地基振动问题的解答。

Based on Biot 's dynamic consolidation equations , by means of Laplace-Hankel transform technology , the integral solutions of stress and displacement in saturated soil with subjacent rock-stratum under axisymmetric arbitrary excitations were derived .

Baker提出非线性破坏准则是一种广义的岩土体强度准则，常规的M-C强度准则、格里菲斯强度准则以及Hoek-Brown强度准则均为其特例。

The non-linear failure criterion proposed by Baker is a generalized geotechnical strength criterion , and the conventional criterion such as M-C , Griffith and Hoek-Brown failure criterions are all special cases of it .

采用有效应力原理，以Biot固结理论为基础，用B样条函数构造了考虑地震效应的土体振动孔隙水压力、位移及应力的数值计算方法。

Applying principle of effective stress , the numerical analysis is made on the seismic effect , such as the vibration pore water pressure , displacement and stress , for saturated soil under the influence of earthquake with B spline function on the basis of Biot ' consolidation theory .

在程序中土体实现了材料的非线性和弹塑性，分析中采用的土的本构模型有非线性的邓肯-张模型、成都科大K-G模型和弹塑性的修正剑桥模型、Drucker-Prager模型。

The nonlinear and plastic materials are defined . In the program , the used soil constitutive models include Duncan-Chang constitutive model , K-G model , modified Cambridge model and Drucker & Prager elastoplastic model .

本文将边坡临界滑动场方法进行推广和改进，计算挡土结构中土体被动临界滑动场PCSF和被动土压力。

By extending and promoting the critical slip field method for slope analysis , passive critical slip fields in retaining structures are numerically computed along with passive earth pressure .

当TMD的振动周期与被控制（土体与）结构体系的基本周期一致时，TMD才能发挥最佳的减震效果；否则，TMD的减震效果将有不同程度的降低，幅度可达5%～10%。

The SAE of TMD is best only when the vibration period of TMD is equation to the basic periods of ( soils and ) structure system being control , if not , the SAE of TMD will be reduced in range of 5 % to 10 % .

利用弹性力学的Mindlin解，推导得到顶管正面附加推力、掘进机和后续管道与土体之间的摩擦力在相邻水平平行管道上引起的附加荷载计算公式。

The computing formulas of superimposed load on adjacent level parallel pipe induced both by bulkhead additive thrust , force of friction between shield and soil , and force of friction between follow-up pipes and soil are derived from the Mindlin solution in elastic mechanics .

对此，以岩土介质的半无限弹性体假设为基础建立一维力学模型，利用半无限体Mindlin问题的位移解析解，以半数值法求得岩土体与锚固体的孔壁界面位移差值。

Slippage on the interface ought to be taken into account . Based on Mindlin 's displacement solution of elastic semi-infinite body , one-dimensional mechanical model is established respectively for the semi-numerical calculation of the displacement of surrounding rock mass and axial displacement of grouting mortar .

由于本方法考虑了土体剪切变形引起的沉降和土的应力-应变的非线性反应，在某些土类的范围内，对整个载荷试验过程的P-S曲线的估算，与实际试验结果符合较好。

The method takes into account both the shear deformation effect and the nonlinear stress-strain behaviour of soil body , so , for certain kinds of soils the complete P-S curves thus obtained are fairly in conformity to that of the plate-bearing-test method .

建立土钉支护的非线性有限元模型，土体本构采用多种本构模型，钉土之间采用Goodman单元模拟，能够模拟基坑的开挖与支护的施工过程。

A nonlinear finite element model ( FEM ) has been developed for the analysis of soil - nailed support system . Meanwhile several kinds of constitutive model were chosen for the nonlinearity and inelasticity of soil , and the Goodman element was adopted for the soil-nail interface .

土体结构系统层次划分及其意义

Hierarchical division of soil mass structural system and its engineeing significance

振动压实土体参数的辨识

The Identification of Soil Parameter in the Process of Vibrating Compaction

滑动土体中软弱滑动夹层对抗滑桩的影响

The Effect of Soft Slipping Layer Upon Stabilizing Piles in Landslides

压实土体的部分湿化计算方法探讨

Discussion on calculation method of highly compacted soils with partial wetting

二维非均匀饱和土体的地震反应分析

Analysis of Nonhomogeneous Fluid-saturated Soil in Two Dimensions Under Earthquake Load

框架桩筏土体共同作用的空间分析

On the Space Frame Pile / Raft Foundation Soil Mass Interaction