Principle of effective stress

Based upon the principle of effective stress a method of 2 & D dynamic analysis for the calculation of the seismic response of saturated soil mass is submitted in this paper .

本文根据有效应力原理提出了一个计算饱和土体地震反应的二维动力分析方法。

This paper puts forward the nonlinear response analysis method of soil layer based on principle of effective stress , with introducing the constitutive model 、 pore pressure model and modified method of shear modulus .

提出了基于有效应力原理的土层非线性反应分析方法，推导了时域非线性显式有限元计算公式，介绍了本文采用的本构模型、孔隙水压力计算模型及剪切模量修正方法。

Principle of effective stress based on porous medium

多孔介质有效应力原理研究

Discussion on the principle of effective stress

有效应力原理几个问题探讨

Absorbed suction and principle of effective stress in unsaturated soils

湿吸力及非饱和土的有效应力原理探讨

Water in Soil , Principle of Effective Stress , One-Dimensional Seepage , Darcy 's Law .

土的自重应力，有效应力原理，一维渗流，达西定理。

Based on the principle of effective stress a simplified method of 2-D soil mass earthquake response analysis is presented in this paper .

本文提出了一个计算二维土体地震反应的简化有效应力法。

A liquefaction model for saturated sand soil is established according to the principle of effective stress under explosive loading .

运用有效应力原理，建立了用于描述三相饱和砂土爆炸动力分析的实用模型。

It based on the principle of effective stress : by measuring the total stress and pore water pressure to calculating the real-time of automatic settlement system .

其原理是根据有效应力原理，通过测量总应力和孔隙水压力，来计算自动沉降系统的实时深度而达到监测的目的。

Combined with data of the pore water pressure , the influence of construction of the pile foundation can be analyzed further according to the principle of effective stress .

结合孔隙水压力的资料，可为桩基施工的影响作进一步的有效应力分析。

Based on this absorbed suction concept , the classification of saturation in soil and a principle of effective stress are proposed for unsaturated soils .

基于湿吸力概念，分析并给出了有效应力公式，建议了非饱和土的状态分类及有效应力原理。

The paper applies the nonlinear soil yield law of " principle of effective stress " based on porous medium to study influence of pressure distribution to adhesive force .

本文采用基于多孔介质下“有效应力原理”的土壤非线性屈服准则来研究压力分布对附着力的影响问题。

Principle of effective stress in porous media is introduced into fluid-structure coupling theory , then according to the equilibrium condition , the stress equation is established .

将基于多孔介质的有效应力原理引入流固耦合渗流中，并根据平衡条件得出了应力场方程；

Through the long processs of practice and experiments , a conclusion is drawn that the principle of effective stress is applicable and effective in both saturated sand and clay .

指出长期的工程实践和大量的试验成果表明有效应力原理对于饱和砂土和黏土都是适用的和有效的。

According to the simulation of seepage flow , the permeability coefficient which calculated based on the principle of effective stress is more close to the actual situation when the groundwater exists in soil layer .

对深基坑的渗流模拟得出土层在含有潜水及承压水的情况下，根据有效应力原理计算出的抗渗系数则更接近于实际情况。

According to the working principle of effective stress , the constitutive relation between dynamic water pressure and rock contact pressure has been analyzed . Countermeasures have been put forward for preventing water inrush during pre-grouting of wall rock in roadway excavation .

根据岩土有效应力作用原理，分析了动水压力和岩体接触压力间的本构关系，提出了巷道掘进中围岩预注浆防突水控制方案对策。

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 .

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。

For the materials of base course are composed by solid , liquid , gas and gas-liquid contact membrane , through the principle of effective stress , the thesis analyzed the stress of base course beneath cement concrete slabs based on the triple-phase body theory of road materials .

由于道路基层材料由固体、液体、气体和气液接触膜组成，通过有效应力原理，基于道路材料的三相体理论对混凝土板下基层体的受力进行了分析。

Based on the principle of generalized effective stress , the constitutive equations for unsaturated soils can be established using the thermomechanical method . The choice of internal state variables is important to build the relationship among the three phases .

根据广义有效应力原理选择应力变量，并选择适当的内变量来考虑非饱和土三相之间的联系，建立了固液气三相耦合的非饱和土本构模型框架。

In this paper , first of all , the concept of suction is generalized to include all factors which can increase the resistance against sliding between soil particles , and a principle of generalized effective stress is proposed for unsaturated soils based on this generalized suction concept .

本文首先推广了吸力的概念，把一切增加颗粒间抗滑阻力的因素都称为广义吸力，在此基础上把饱和土的有效应力原理推广为广义有效应力原理。