该方法可用于野外迅速准确的测定土壤垂向饱和渗透系数。
The method can be used for measuring the vertical saturation permeability coefficient of the soil outdoors quickly and accurately.
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.
结果表明，膨润土饱和渗透系数的变化是由表观孔隙率和凝胶体蒙脱石层间距离的共同作用引起的。
It is shown that the changes of is resulted from the changes of both apparent porosity and the distance between layers of gel-type montmorillonite in interparticle pores.
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。
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.
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。
Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
介绍的实验室方法——自然降压法，结合实验数据，给出一个测量非饱和湿沥青样品空气渗透系数的方法。
This paper develops a model for measuring air permeability of partially saturated asphalt samples using falling-pressure method in laboratory introduced by Li et al.
数值结果显示了饱和土的渗透系数、桩土相对刚度及入射波的频率对桩的动力响应有显著影响。
It was shown that the influences of the permeability, the pile-soil elastic modulus ratio and the frequency of the incident waves on the dynamic response of the soil-pile system were significant.
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 pore water permeability coefficient of unsaturated expansive soil is controlled by suction, cell pressure, dry density and degree of saturation of soil samples.
针对饱和裂隙岩体中在卸荷后的渗透系数与应力强度因子的关系进行了理论研究。
The closed solution and intensity factors in coupling fields of the problems are obtained.
针对饱和裂隙岩体中在卸荷后的渗透系数与应力强度因子的关系进行了理论研究。
The closed solution and intensity factors in coupling fields of the problems are obtained.
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