The rational formulation on coefficient of permeability is stetted up and is used for f.
推导了渗透系数变化规律的定量表达式，并应用于有限元分析。
And it proves that the wetting, dry density and water content have influence on the coefficient of permeability.
论证了增湿路径、干密度以及含水量对非饱和土渗透特性的影响。
The sensitivity analysis for Poisson's ratio and coefficient of permeability has given some beneficial conclusions.
对泊松比及渗透系数的参数敏感性分析也得出了一些有益结论。
In this tests, the coefficient of permeability of the high air entry disk base of GDS unsaturated Triaxial testing system is also demarcated.
试验过程中还对GDS系统的陶土板底座渗透系数进行了标定。
Finally, the influence induced by variation of dynamic coefficient of permeability on soil displacement and stress under harmonic vibration load is investigated.
根据算例，研究了在周期荷载作用下，地基中的超静孔隙水压力、位移的幅值随动力渗透系数变化的一般规律。
By orthogonal tests, the influence of three factors on the coefficient of permeability of soil-rock-mixture, the significance of different factors was determined.
通过正交试验确定了3种因素对土石混合体渗透系数的影响顺序及各因素的显著性水平。
The coefficient of permeability of natural intermediate soils on the northern bank of the Yangtze river delta is successfully predicted by porous materials models.
基于长江河口地区沉积物的特点，分析了该区域天然沉积土的渗透性能，得出渗透系数显著偏低的结论。
This paper discusses-the theory and method of deriving the single well Q-S(yield and drawdown) curve using coefficient of permeability from testing and other empirical parameters.
本文探讨了利用测试的渗透系数和其它经验参数推求单孔Q—S（出水量与水位下降）曲线的理论和方法。
The test results show that the permeability of hard rocks is obviously different from that of soft rocks not only in permeability-strain behavior but also in value of coefficient of permeability.
试验结果反映出在变形过程中不论是渗透性 -应变关系特点 ，还是渗透性量值 ，软岩和硬岩均表现出明显差异。
The fact that practical loads in log transfer car were described by coefficient of permeability is not suitable because the logs were unload many times during the transfer process in log storage area.
在林区贮木场利用纵向输送机进行选材作业时，由于原木在输送途中的多点卸载，用充满系数描述输送机上的实际负荷已不符合实际。
If the infiltration intensity is less then the saturated permeability coefficient, the surface soil finally reaches to an unsaturated infiltration stage instead of saturated infiltration stage.
当降雨强度小于土体的饱和渗透系数时，表层土体达不到饱和状态，最终的稳定入渗只能达到一个非饱和入渗状态。
By using this model the soil-water characteristics and permeability coefficient of unsaturated soil are deduced and expressed in fractal dimension and air-entry value.
本文建立了土体孔隙分布的分形模型，导出用分维和进气值表示的水分特征曲线和渗透系数的理论表达式。
The analysis results also show that foundation pit tends to fail in anisotropic soil when horizontal permeability coefficient is larger than that of vertical.
对比各种分析结果，当水平向渗透系数大于竖向渗透系数时，基坑最容易发生渗透破坏。
The main factors affecting the well yield are the transmissivity and water yield coefficient of the aquifer as well as the permeability coefficient and thickness of the leaky layer.
含水层的导水系数、释水系数和弱透水层的渗透系数、厚度是影响井涌水量的两大重要因素。
Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied.
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。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.
实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
Furthermore, the variation laws of the pore water pressures and the permeability coefficient during the consolidation of the refuses are analysed.
并对垃圾土固结过程中孔隙水及渗透系数的变化进行了分析。
Thus, when the permeability of 50% probability and the coefficient of variation for lognormal distribution are known, one can establish a definite numerical model of permeability plane distribution.
这样，知道模型的渗透率对数正态分布概率50%处渗透率和变异系数，就可以建立起确切的渗透率平面模型。
The paper studied stable seepage flow rule of overpressure reservoir and created the method for using systematic well testing data to compute permeability variation coefficient.
本文研究了异常高压油藏稳定渗流规律，建立了利用系统试井资料求取渗透率变化系数的方法。
The permeability coefficient of the seepage field changes in the exponent attenuation.
定量分析对井回灌过程中回灌井周围渗流场变化，渗透系数呈指数衰减。
Oxygen Permeability Coefficient (p 'o2) : the product of the permeance and the thickness of film.
译文：氧气透过系数(PO2)：氧气透过量与薄膜厚度的乘积。
The permeability coefficient and porosity of rock are updated by volumetric strain.
岩石基质渗透系数和孔隙率通过体积应变进行更新。
Based on the test data published for leaking steam flow rates of brush type seals, determined was the permeability coefficient of the porous medium of the bristle pack.
根据发表的刷式密封泄漏量试验数据，确定了刷丝束多孔介质的渗透率系数。
The cracks growth induce the increase of permeability coefficient, ultimately the change of seepage field.
岩体裂纹的扩展引起岩体渗透系数的增加，导致渗流场的改变。
Based on Biots consolidation theory, the fully coupling model of seepage and stress is established considering nonlinear coupling response of permeability coefficient.
基于三维比奥固结理论，建立了考虑渗透系数非线性耦合响应的渗流场与应力场完全耦合模型。
By nonlinear regression analysis the change law is found that with the increase of geostress the permeability coefficient will decrease with negative exponential trend.
然后通过回归分析，可以发现该地区渗透系数随地应力值的增大呈负指数递减的变化规律。
Different precipitation patterns and permeability coefficient of roadbed soil were analyzed by the calculation examples, the variation laws of changes of slope safety factor was summarized.
通过算例就不同降水模式、不同渗透系数的路基土进行对比分析，总结了边坡安全系数的变化规律。
The results show that the probability distribution characteristic of the vertical permeability coefficient in fissured rock zone is much close to the log-normal distribution.
结果表明，同正态分布和均匀分布相比，裂隙岩体地区的垂向渗透系数更接近对数正态分布。
Based on Biots consolidation theory, the fully coupling model of seepage and stress is established considering nonlinear coupling response of permeability coefficient.
根据抽水试验观测资料，提出了土体渗透系数与有效应力的非线性耦合响应模型。
Based on Biots consolidation theory, the fully coupling model of seepage and stress is established considering nonlinear coupling response of permeability coefficient.
根据抽水试验观测资料，提出了土体渗透系数与有效应力的非线性耦合响应模型。
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