孔隙水

南海北部地区海洋沉积物中孔隙水的氢、氧同位素组成特征

Oxygen and Hydrogen Isotopic Compositions of Pore Water from Marine Sediments in the Northern South China Sea

分析了c、φ的异步发挥，土的剪胀性，土单元主应力方向旋转，孔隙水压力以及损伤软化对侧阻发挥的影响。

It analyses the influence of , dilatancy , rotation of soil cell 's principal stress , pore water pressure and the damage softening .

埋藏成岩作用可使蒙脱石进一步转化，最终产物决定于ph值及孔隙水的化学性质。

Burial diagenesis causes a progressive transformation of smectites , the end-products being dependent on PH and pore water chemistry .

然后在雨峰相对位置参数r取不同的值时，对不同土的水力学特性，初始条件的情况进行有限元渗流计算。得到了不同的模型参数下孔隙水压力的变化规律。

Then , the numerical seepage analysis can be carried out with different r under different soil hydraulic prosperities and initial conditions .

PTC管桩施工中孔隙水压力规律分析与研究

Regularity analysis and Study on pore water pressure during PTC pile construction

CFG桩施工过程中孔隙水压力试验研究

Experimental study on pore water pressure in construction of CFG piles

PHC管桩沉桩引起的超孔隙水压力研究

Research on Excess Pore Water Pressure Which is Induced by Jacking of PHC Pile

研究分析中，考虑了不同应力状态下大石河尾矿粘性土的动力变形、动孔隙水压力的发展和强度的变化，并且对其动强度应力修正系数Kα和Kσ进行了探讨。

The deformation , pore water pressure and strength were considered under various stress conditions . Dynamic strength correction factors K α and K σ were discussed .

采用Biot固结理论和有限单元法，分析了海床的动态应力场与孔隙水压力场。

Biot ′ s consolidation theory and FEM ( finite element method ) are adopted .

受振初期O～12s内，土体基本为压缩变形，孔隙水压力上升很小；

In original stage about 0-12s , soil was compressed and pore-water pressure slowly increased .

除6月份外，孔隙水甲烷浓度与土壤温度和DOC浓度有显著的正相关关系，与NH4+-N和NO3-N均没有显著相关性。

CH_ 4 concentration in the porewater was positively correlated to soil temperature and DOC concentration , excepting for June .

基于这个假定，采用Biot团结理论计算海床土体的有效应力、孔隙水压力和变形。

Based on this assumption , the Biot 's consolidation theory is employed for evaluating effective stresses , pore-water pressure and deformations of seabed soils .

算例表明，成桩后的混凝土芯砂石桩，其挤土效应产生的超孔隙水压力的消散，远快于常用的水泥粉煤灰碎石桩（CFG桩）。

Results of calculation show that dissipation of excess pore water pressure due to squeezing effect of concrete-cored sand-gravel piles is faster than that of the ordinary CFG piles .

笔者利用非饱和理论，引用孔隙水压力P1和孔隙气压力P2表达在冻土边坡稳定性分析中，提出用相应的冻土斜坡稳定性分析方法。

Applying the theory of unsaturated soil , the pore water pressure ( P_1 ) and pore air pressure ( P_2 ) are introduced into the analysis of thawing slopes .

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 .

通过引入4个势函数，并利用Helmholtz分解原理，在Laplace变换域中得到任意响应模式下的应力、位移和超孔隙水压力解答。

By introducing four scalar potential functions and Helmholtz decomposition theorem , the analytical solutions of stress , displacement and pore pressure for arbitrary response modes were derived in Laplace transform domain .

采用弃单元法，用ANSYS中热分析模块来模拟土坝的渗流场，求出在稳定渗流条件下土坝的浸润面，并计算出孔隙水压力。

Using Abandoning Element Method , the seepage field of earth dam is simulated with thermal analysis module in ANSYS software , the saturation surface of earth dam under steady seepage is analyzed , and the pore water pressure is calculated .

在模拟过程中可同时得到销态氮垂直运移的弥散系数和平均孔隙水流速（averagepore-watervelocity）等参数。因此该模型可以直接用来确定农田土壤中硝态氮垂直运移的参数。

Compared simulating value of model with measured value , the error was below 3 % and relative coefficient was over 0 . 9 . The dispersion coefficient and average pore-water velocity of nitrate vertical transport in simulating process were also obtained .

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 .

对该方程进行Hankel变换，并利用半无限饱和土表面的边界条件以及集中力作用面处的连续性条件，可得出变换域内的位移、应力和孔隙水压力的解。

By utilizing the Hankel transform technique and boundary conditions of the half space surface and continuous conditions at the plane of the concentrated force acting , the displacements , stresses and pore pressure expressions can be obtained in the transform domain .

培养结果说明，在相同的土壤孔隙水含量（WFPS）条件下，土壤由湿变干过程产生的N2O通量高于土壤由干变湿过程中的产生量；

Incubation test showed that when soils have same water filled pore space ( WFPS ) content , the influence on N 2O emission of soil from wet to dry is bigger than that from dry to wet .

本文将Terzaghi二维固结理论与震动孔隙水压力增长模式相耦合，提出了一类饱和砂层震动孔隙水压力的二维扩散解析理论。

This article presents a class of the analytical theory for calculating seismic pore-water pressure generation and dissipation in saturated sand layer with a horizontal ground on the basis of combining the two-dimensional formulation of Terzaghi 's consolidation theory with a seismic pore-water pressure generation model .

本文采用三维排水（考虑孔隙水压力扩散与消散）有效应力动力分析方法，研究了美国奥罗维尔（Oroville）土坝在7度地震作用下的动力反应。

Dynamic response of the Oroville Earth Dam in U. S. A. under an earthquake of intensity ⅶ is investigated by using 3-D analysis of effective stress considering the diffusion and dissipation of seismic pore water pressure .

地基中超静孔隙水压力在地基表面最大，沿深度迅速衰减，在两倍条形荷载宽度处，超静孔隙水压力值已降低到0.2p以下。

The initial excess pore water pressure much decrease with the depth . The initial excess pore water pressure is less than 0.2p at the depth of two times of the width of the strip load .

对粘性土孔隙水渗流规律本质的新认识

New Understanding of the Regularity of Water Seepage in Cohesive Soil

真空预压中真空度与孔隙水压力的关系分析

Analysis of relationship between vacuity and pore-water pressure in vacuum preloading

孔隙水消散现象在岩体应力测量中的应用

The Application of pore Water Dissipated Phenomena in Rock Stress Surveying

随着时间的不断增加，孔隙水压力逐渐消散。

The excessive pore water pressure dissipated with the time increased .

动力排水固结中孔隙水压力增长和消散规律

Increment and dissipation of pore water pressure in dynamic drainage consolidation

饱和砂土振动孔隙水压力试验研究

Study on pore water pressures of saturated sands due to vibration