入渗水质对水泥潜入沙性土壤阻渗效果的影响分析  

Impact of Water Qualities on the Permeability-reducing Effect of Cement Infiltrating into Different Soil Matrix

作　　者：吉晋兰[1,2] 樊贵盛[2] 

机构地区：[1]晋城职业技术学院,山西晋城048026 [2]太原理工大学环境科学与工程学院,太原030024

出　　处：《灌溉排水学报》2016年第9期75-80,共6页Journal of Irrigation and Drainage

基　　金：山西省科技攻关项目(20150313002-2);山西省河道管护服务总站项目(科2012-1);晋城市科技计划项目(201202238)

摘　　要：为了探索水质和土质对水泥潜入沙性土壤基质阻渗效果的影响,采用一系列室内模拟入渗试验,研究了不同入渗水质下,水泥潜入不同土壤基质对其产生的减渗作用。结果表明:无论是清水入渗还是污水入渗,水泥稀浆潜入不同土壤基质均有一定的减渗作用和阻渗效果,且基质含沙量越高,水泥潜入的阻渗效果越好;无论是清水入渗还是污水入渗,延时供水方式的阻渗效果均优于即时供水方式;与清水相比,污水入渗减小土壤基质的入渗率,且污水入渗较清水入渗的阻渗效果略差,延时供水方式下,差异更加明显。Through indoor simulated infiltration experiment, the permeability reduction when cement filtrated in- to different soil matrix under different infiltration water quality were researched. The results showed that： whether tap water or sewage infiltration, cement slurry always had certain permeability-reducing effect as infil- trating into different soil matrix. When the content of soil clay and silt was higher, the permeability-reducing ef- fect was worse; the infiltration-reducing effect of postponed water feeding way was superior to the effect of in- stant water supply way under different infiltration water quality;Under two kinds of water supply mode, sew- age infiltration reduceded soil infiltration rate. The permeability-reducing effect of sewage infiltration was inferi- or to the effect of tap water infiltration. And the difference was more apparent under delay water supply mode.

关 键 词：污水 水泥 潜入 土壤基质 阻渗效果 

分 类 号：S152.7[农业科学—土壤学]