Abstract
ABSTRACT A permeameter for soil-cement mixtures was developed and the equation for estimating the coefficient of permeability was given. With this permeameter, the coefficient of permeability can be tested accurately, fast and conveniently. The coefficient of permeability of soil-cement mixture is generally in the order of 10−8 cm/s and the confining pressure and seepage pressure has little effect on it in the specified range. The effect of shear stress on the permeability was studied with the hollow cylinder sample carrying confining pressure, seepage pressure and vertical load. The results show that, with the increase of the vertical load, the coefficient of permeability increases markedly if the confining pressure is low, and it only changes slightly or even decreases if the confining pressure is high.
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