The Influence of Concentration of Pore Water Solution on the Swelling Characteristics of Expansive Soils
The influences of pore water solution concentration on the swelling properties of expansive soils were studied using the constant volume swelling pressure experiments and swelling ratio experiments under load.The results indicate that the swelling pressures decrease with the increase of solution concentration.Two specimens made by the same solutions concentration were immersed into solutions with two various concentrations to prepare specimen,one is smaller than the concentration of solution,and the other is same to that.The results showe that the swelling pressures and the swelling strains of two specimens are very close.The analysis on the exist state of the pore water shows that the experimental results are agree with the osmotic pressure theory.
expansive soils bentonites swelling pressure swelling strain concentration of pore water solutions
Jingchao Jia Huan Li Qingtao Bi
School of Resources and Environment, North China University of Water Resources and Electric Power, Zhengzhou 450011, China
国际会议
郑州
英文
427-430
2012-09-22（万方平台首次上网日期，不代表论文的发表时间）