聚苯乙烯轻质混合土渗透特性试验研究  

Experimental Study of Permeability of Lightweight Soil with EPS

作　　者：朱云华[1] 

机构地区：[1]西南石油大学,成都610500

出　　处：《工程勘察》2007年第10期17-20,共4页Geotechnical Investigation & Surveying

摘　　要：通过室内渗透试验,重点对水泥掺入比、EPS含量及龄期等影响聚苯乙烯轻质混合土渗透特性的主要因素进行了研究。结果表明EPS含量对渗透系数的影响最大,其次是水泥掺入比和龄期的影响。渗透系数随水泥掺入比的增大、龄期的延长、EPS含量的降低而降低,近似为乘幂函数关系,但其降低的幅度因配比不同而异。水泥掺入比、EPS含量、龄期对渗透系数的影响,可用多元线性回归方程进行拟合。The effects of curing age, cement ratio and EPS ratio on hydraulic conductivity of lightweight soil with EPS （LWS-EPS） are studied by conducting water permeability tests on specimens of variable mixing proportions. Results indicate that EPS ratio is the primary factor affecting hydraulic conductivity of LWS-WPS. Cement ratio and curing age have junior effects. Coefficient of permeability decreases with the increasing of cement mixed ratio, age and the decreasing of EPS content, which have a power function relationship approximately. But the degree of decreasing to coefficient of permeability varies with mixture ratio. The effects of curing age, cement ratio and EPS ratio on permeability coefficient of LWS-EPS can be fitted with a multiple linear regression equation.

关 键 词：聚苯乙烯轻质混合土 渗透系数 龄期 水泥掺入比 EPS含量 

分 类 号：TU531.7[建筑科学—建筑技术科学]