本课题主要研究混凝土在水压法及张力法试验条件下水在混凝土中的渗透行为以及同氯离子扩散系数相关性。
Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied.
页岩储藏气体比其他岩石更密封，要从中抽取就必须用海量淡水在高压下炸开页岩并，这种方法叫做水压致裂法。
Shale traps gas more tightly than other rock. To extract it, the shale is blasted with huge volumes of fresh water at high pressure, a practice known as hydraulic fracturing, or "fracking".
该装置可在高围压及高孔隙水压力条件下采用定水位法、定流量法或压力脉冲法测试岩石的渗透系数。
This system can implement constant-head, constant flow-rate and transient-pulse permeability tests of specimen under high confining and pore pressures.
采用牛顿迭代法来求解各未知节点的经济水压，进而得出各管段的经济水头损失、经济管径和水源二级泵站的经济扬程。
The Newton iteration method is used to solve the economic pressure on the unknown node, so as to calculate the economic head loss and economic pipe diameter of each section,.
用三维非线性有限单元法对周公宅拱坝进行了基本荷载组合下的非线性分析和水压超载分析。
An analysis was made on the Zhougongzhai arch dam under basic load combination and overloading of hydraulic pressure by use of 3-d nonlinear finite element method.
论述了国内外计算隧道衬砌外水压力的折减系数法和渗流场计算方法。
The paper discusses the methods of the coefficient reduction in determining tunnel lining's external water pressure in the world.
基于有限元法，分析了两个尾水管在各自最大内水压力条件下外围混凝土的受力，得到各自的应力变化规律和特点。
Stress of surrounding concrete of each draft tube is analysed by the finite-element method under condition of the highest hydraulic pressure and the variable regularity of stress is obtained.
堆载预压法加固软土地基过程中，堆填速率将影响到超孔隙水压力的消散。
In the process of reinforcing soft soil foundation by preloading, preloading rate will impact on excess pore pressure dissipation.
本文介绍了用边界元法求解动水压力的原理与方法。
In this paper, the principle of hydrodynamic pressure by BEM is introduced.
实践表明，以无源微地震测试结果为基础的拟泊松比法确定的注水压力上限能够较好地适应油田开发的需要。
Practices have proved that the upper injection pressure limit, determined with pseudopaisson's ratio method, based on passive microseismogram is suitable for oilfield development.
重点研究了在ANSYS中考虑动水压力的两种方法，即有限域内附加质量法和顺序弱耦合算法。
Two methods considering dynamic water pressure in ANSYS were studied, which were finite field addition mass method and sequence weak coupling solving method.
秦岭特长隧道地区采用水压致裂法进行了深钻孔的应力测量。
The measurements of ground stresses by using the hydraulic cracking method within the deep boreholes were proceeded at the Qinling extra long tunnel district.
经拆除方案论证，利用桥板空心可以注水的结构特征，采用水压爆破法安全拆除。
The hydraulic blasting was adopted to safely demolish the bridge after analyzing the blasting programs and utilizing the structural characteristics of cored slab.
以锡冶山尾矿坝工程为例，探讨了数值法在尾矿库坝体岩土孔隙水压力消散试验中的应用，对提高试验精度、减少试验开支、指导工程安全施工具有现实意义。
With the help of numerical method it analyzes the data of pore water pressure vanishing test, which can increase the precision of the test and cut the expense of engineering investigation.
在深层地应力测量中， 水压致裂法是最有效的测量方法。
The hydrofracturing technique is the most effective measuring method in the geostress measurement in deep stratum.
本论文对目前用于边坡稳定性评价的主要方法进行了研究对比后，提出了考虑孔隙水压力条件下的边坡有限元塑性极限分析法。
Appraising the current methods of slope stability, the paper puts forward Finite Element Plastic Limit Analysis of the slope stability subjected to pore water pressure.
初始地应力状态是岩石地下工程设计中的重要参数，而水压致裂法是深部岩体应力测量的理想方法。
The initial stress is one of the most important parameters for the design of underground rock engineering, and hydro-fracturing method is a robust technique for stress measurement in deep rock mass.
长大深埋高水压山岭隧道的施工将越来越多地采用隧道掘进机法。
Mountain tunnel construction with high water pressure will apply the tunnel boring machine method (TBM) more and more.
爆炸密实法处理饱和粉细砂地基的现场试验中，对爆炸过程中的孔隙水压力进行了实测。
In the site tests of which the explosive compacting is used for treatment of water-saturated fines sand ground, the pore-water pressures at the moment of explosion are measured.
为了评价金沙江阿海水电站坝址区地应力的分布特征，进行了水压致裂法测试与分析。
In order to evaluate the characteristics of in-situ stress distribution in Ahai Hydro-power Stations dam site, Jinshajiang River, the hydro-fracturing measurement and analysis are conducted.
同时，本方法利用有限元法分析的应力和孔隙水压力结果，按有效应力法计算边坡安全系数，可分析施工过程中应力和孔隙水压力变化对边坡最小安全系数的影响。
On the other side, the proposed method can also consider the influence of the change of stress fields and pore pressure field on the minimum factor of safety by the finite element analysis.
本文根据水压致裂法，对中国大陆的华北、华南、东北和西北等沉积岩地区，进行了四百米至四千米深度范围的绝对应力测量。
Using hydro-fracturing method, absolut stress measurements are made in the depth range of 400-4,000 m for the sedimentary rock areas in northern-, southern-, northeastern- and northwestern China.
本发明涉及一种水压转印膜及水压转印法。
The invention relates to a hydraulic pressure transfer printing film and a hydraulic pressure transfer printing method.
从而弥补了以往传统的水压致裂法地应力测量只能测量钻孔横截面上的二维地应力状态的缺陷，扩大了这种测量方法的应用范围。
As the methods have supplied the deficiency of traditional geostress measurement, which can only measure 2d cross-sectional stress of a borehole, its applicable scope is thus widened.
当采用双环入渗法和环刀法测定土壤的饱和渗透系数时，土壤剖面土壤水压力势分布规律不同。
The distribution law of pressure potential in saturated soil using two-ring infiltration method to determine the permeability coefficient was different to that using cutting ring method.
首先阐述了初始地应力场的有限元反演分析方法和水压致裂法地应力测量方法给出了对小孤山工程适当的地应力场。
The specific work includes:(1) At the first, the finite element inversion analysis method of the initial crustal stress field and the measuring method of hydrofracturing crustal stress were expounded.
运用深钻孔套芯解除法对阳江抽水蓄能电站进行了三维地应力测量，并将测试结果与水压致裂法进行了比较。
The overcoring method in deep borehole is one of the robust 3D geo-stress measuring methods at home and abroad.
为了解决强夯时产生的超孔隙水压力问题，提出了加固饱和粉土、粉质粘土地基的强夯碎石桩法。
Based on the problems of the saturated silt foundation, authors analyze the failure cause of dynamic consolidation on saturated soft foundation in the past.
为了解决强夯时产生的超孔隙水压力问题，提出了加固饱和粉土、粉质粘土地基的强夯碎石桩法。
Based on the problems of the saturated silt foundation, authors analyze the failure cause of dynamic consolidation on saturated soft foundation in the past.
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