摘要
采用室内试验和现场原型试验,对辽河石佛寺水库库区内掺入水泥后粉细砂的特性进行了研究。试验结果表明,随着水泥掺入量的增加,粉细砂的凝聚力和内摩擦角增大,渗透系数减小。当水泥的掺入量为2%时,抗剪强度指标和渗透系数已明显改善,而且在最不利的情况下满足对渗透变形的要求。粉细砂掺入水泥后,其性能得到了很大改善,用于修筑拦河主坝是完全可行的。
Indoor and outdoor experiments on the characteristics of the out. Experimental results show that; with the increase of cements, the cement added fine sands for Shifosi Reservoir were carried cohesive force and friction angle increase; the percolation coefficient decreases. When the volume ratio of cement and fine sands is 2%, shear strength and percolation coefficient are improved obviously. The properties of fine sands are improved when they are combined with cements, so using them in embankment is possible.
出处
《岩土力学》
EI
CAS
CSCD
北大核心
2005年第11期1866-1868,共3页
Rock and Soil Mechanics
关键词
粉细砂
水泥
凝聚力
渗透系数
fine sands
cement
cohesive force
percolation coefficient
