Project supported by the National Natural Science Foundation of China (Nos.40202036,40572163,50579042);the Youth Science Foundation of Siehuan Province of China (No.05ZQ026-043);the Science Foundation of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection(No.GZ2004-05);the Postdoctoral Science Foundation of China (No.35)
It was derived that micro-scale amount level of average pore radius of clay changed from 0.01 to 0.1 micron by an equivalent concept of flow in porous media. There is good agreement between the derived results and tes...