pore pressure

Simplified procedure for evaluation of residual pore pressure response in layered seabed under wave loading;

利用波浪水槽试验，对风浪作用下库岸的表面波压力和介质孔隙水压力响应进行了研究。

Undercompaction Causes for Using Seismic Data to Predict Formation Pore Pressure

地震资料预测地层孔隙压力应基于欠压实成因

Study on Rules of Pore Pressure Dissipation in Consolidation of Multilayered Soil

层状土体固结中孔隙水压力消散规律的研究

Based on a fully coupled thermal-hydraulic-mechanical formulation of saturated porous media, the analytical solutions of a one-dimensional thermal elastic consolidation model under non-isothermal condition are deduced by finite Fourier transform and its inverse transform. The analytical expressions of temperature, pore pressure and displacement are derived.

基于饱和多孔介质热-水-力完全耦合的控制方程，通过有限Fourier变换及其逆变换，对一维热弹性固结模型进行解析求解，给出土柱内部温度、孔压和位移演化过程的解析表达式。

The study shows that both generalized shear stress and the first invariant function of stress tensor become smaller and smaller when pore pressure increases during the course of the development of sand boil.

研究表明，在砂沸发展过程中，广义剪应力与有效应力张量第一不变量均随着孔隙水压力的增大而减小，且逐渐趋于零；

Research on the Predication Method of Formation Pore Pressure Based on LWD Data

基于随钻测井资料的地层孔隙压力预测方法研究

Then this paper use effective stress method which is based on Anderson model to calculate pore pressure and fracture pressure section, and established a single-well monitor pressure mode which is match the measured data and geology rule.

随后本文利用基于Anderson模型的有效应力法求解单井孔隙压力和破裂压力剖面，建立起了跟实测数据和地质规律吻合的单井压力检测模型。

The investigations results show that the coupling of thermal cracking and pore pressure is the main reason to induce the thermal spalling and uncertainty of explosive spalling.

提出了热开裂和孔隙水（汽）压力的耦合作用是产生混凝土爆裂和不确定性的主要原因。

The authors proposed the model of pore pressure of the silt.

同时提出了粉土孔压数值模型。

Based on the undercompaction theory, accurately pore pressure of the drilled formation may be gained by Eaton method and logging data and the measured data.

在分析欠压实理论的基础上，运用伊顿法并利用测井资料，结合实测资料，建立了新场构造钻遇地层准确的孔隙压力；

Examination and Adjustment of Formation Pore Pressure through Fluid Logging

利用流体测井检测调整井地层孔隙压力方法研究

Study on interaction between soil mass deformation and pore pressure during subsidence by mining

开采沉陷土体变形与孔隙水压相互作用研究进展

The simple bounding surface elastoplastic-viscoplastic model was used in Biot' consolidation theory. The deformation and pore pressure of road soft clay improved by heaped load precompression was calculated numerically.

在Biot固结理论中使用简化的边界面弹塑/粘塑性模型，对超载预压法处理公路软基全过程的变形和孔压进行数值计算。

Deformation of soil layer under periodic boundary pore pressure

土层在其界面受周期孔隙压力作用下的变形规律

For the example case, the parametric computations and comparative studies are made to examine the effect of vertical component of ground motions, vertical seismic response of potential sliding mass, shaking-induced pore water pressure and other related factors on the sliding movement and earthquake-resistant behavior of embankments.

最后，结合算例并通过具体数值计算与分析探讨了竖向地震动分量、滑坡体竖向地震响应、振动孔隙水压力等各种因素对土石坝地震位移及抗震性能的影响。

Prediction of the development effect of the stress lode's angle to the pore pressure

应力劳台角对孔压发展影响的预测

Horizontal intensity isoporic charts soil lines of equal pore pressure

水平强度等磁变线图土内孔隙水压等同线

Soil lines of equal pore pressure anisotropically consolidated undrained test

土内孔隙水压等同线不等压固结不排水试验

The increase of residual sliding force is prominent because of the occurrence of excess pore water pressure.

超孔隙水压力的存在大幅提高了剩余下滑力值。

The factors, such as volumetric weight, the cohesion, the friction angle, the pore pressure ratio, earthquake intensity, slope ratio and the height of slope, which control and affect the stability of loess high slope were analyzed.

在此基础上，分析了影响黄土高边坡稳定性的因素，包括土体的容重γ、粘聚力c、内摩擦角φ、孔隙水压力比γu，地震烈度，边坡坡比和边坡高度H。

Soil lines of equal pore pressure

土内孔隙水压等同线

The variation of Lode stress angle usually enhances the soil volumetric strain or pore pressure.

劳台（Lode）应力角的变化常会引起土的体应变或孔压的增加。

By the testing results of the circular stress path on the x plane of medium dense Chengde sand, this paper illustrates that the change of stress Lode's angle has significant effect on the accumulated value of pore pressure.

本文通过中密承德沙π平面上圆应力路径试验结果，说明应力劳台角的变化对孔压累积值有显著的影响。

Based on the Terzaghi's theory of consolidation, it is used to derive, directly from the time-compression curve of soil, the coefficient of consolidation which controls the rate of dissipation of the excess pore pressure.

按照Terzaghi固结理论，直接从土体压缩时间过程定出控制孔压消散速率的固结系数，暗含固结度Uσ和压缩度Uε等同的假设。

The results show: the thickness of covering soil layer increases, peak pore pressure ratio of sandy soil decreases;

分析发现：上履土层厚度增加时，砂土峰值孔压比随之减小；

The results modeled show that the pore pressure has an great influence on the strain localization; The increase of pore pressure prevents shear bands from developing fully and causes tension failure of rock sample.

数值模拟结果表明，孔隙压力对变形局部化应变场有较大影响，随着孔隙压力的增加剪切带趋于不明显，岩体试件倾向于发生拉伸破坏。

Influence of pore pressure on stresses distribution around a borehole

地层孔隙压力对井壁附近应力分布的影响

The short-crested wave induced excess pore pressure response in the vicinity of the composite breakwater is simulated.

对短峰波作用下复合式防波堤前的孔隙水压力响应进行了模拟。

The pore-water pressure σ p reduces the mormal stress on the fissure of rock, hence causes sliding fracture which formerly remained in stable status.

孔隙水压σp降低了岩体断裂面上的正应力，使原处于稳定状态的断裂发生滑移破裂。

Formulations of stability calculation of landslides are presented by the improvement of the force analysis of soil slices with random distribution of pore water pressure in slip zone.

通过对滑坡土条的受力分析进行改进，建立起能考虑滑带内存在任意孔隙水压分布情况下的稳定性计算公式。