高压注浆渗流解析分析  

Seepage analysis of high pressure injection cement liquid

作　　者：张建山[1] 仵彦卿[2] 李哲[1] 阙良刚[1] 

机构地区：[1]西安理工大学,陕西西安710048 [2]上海交通大学,上海200240

出　　处：《煤田地质与勘探》2005年第3期36-38,共3页Coal Geology & Exploration

基　　金：国家自然科学基金项目(10172071)

摘　　要：根据高压注浆渗流的数学模型,推求出注浆体区和原水体区的压力分布公式,以及停止注浆后井底压力消退情况。分析了注浆井底压力与注浆时间、注浆液粘度的关系以及与渗透率的关系;建立了注浆井底压力和水灰比的经验关系,对灌注桩高压注浆补强工程具有良好的指导意义。Based on the mathematical model of the seepage in jet grouting,the paper inferred the pressure distributed formula in the district with the cement liquid injection and the raw water area, and the decline pressure in well bottom after stopping injection cement liquid. The pressure in well bottom relation with grouting time, the viscosity of cement liquid and the permeability in the confined aquifer were analyzed. The empirical formula of the grouting pressure with ratio of the water cement was established. The results are used in the engineering, and a good fulfilment is obtained.

关 键 词：高压注浆法 注浆压力 水灰比 数学模型 

分 类 号：TD265.4[矿业工程—矿井建设]