The pore water permeability coefficient of unsaturated expansive soil is controlled by suction, cell pressure, dry density and degree of saturation of soil samples.
压实膨胀黏土水渗透系数受吸力、围压、干密度、饱和度等因素控制。
The road constructed by the technique scheme has excellent performances than traditional asphalt road in planeness, compactness, cling property and water permeability coefficient.
按照本方案施工的道路在平整度、压实度、抗滑性能、渗水系数等方面皆优于传统的柏油道路。
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。
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。
Through the experiment we obtain the relationship between coefficient of air permeability and coefficient of water permeability.
通过试验得出了渗气系数与渗透系数的相关关系。
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 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。
Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数，甚至可以确定地下水面以上水份分布。
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。
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 permeability coefficient and pore-water pressure relationship, and the soil-water characteristic curve are represented using exponential functions.
指数函数可用来表达水力传导率和孔隙水压力的关系，及土水特征曲线。
The permeability coefficient and pore-water pressure relationship, and the soil-water characteristic curve are represented using exponential functions.
指数函数可用来表达水力传导率和孔隙水压力的关系，及土水特征曲线。
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