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Numerical analysis of grouting radius and grout quantity in fractured rock mass
Authors
冯志强
冯春
+4 more
唐德泓
李世海
王强
王理想
Publication date
1 January 2016
Publisher
Abstract
为预测浆液在裂隙中的扩散范围,建立二维正交裂隙网络宾汉浆液渗流模型,采用中心型有限体积法进行数值模拟。分别研究不同参数下,浆液在裂隙中的扩散范围,给出多因素影响下的注浆扩散半径公式和注浆量公式。研究表明,注浆压力、浆液黏度、浆液剪切强度、裂隙开度和裂隙粗糙度对浆液扩散半径起到主导作用; 注浆压力、钻孔长度和裂隙开度对注浆量起到主导作用。通过该公式可定量预测任意参量下浆液扩散范围和注浆量
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018