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IMECH-IR  > 流固耦合系统力学重点实验室(2012-)  > 期刊论文
Title: 裂隙岩体注浆扩散范围及注浆量数值模拟
Alternative Title: Numerical analysis of grouting radius and grout quantity in fractured rock mass
Author: 王强; 冯志强; 王理想; 唐德泓; 冯春; 李世海
Source: 煤炭学报
Issued Date: 2016
Volume: 41, Issue:10, Pages:2588-2595
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。
English Abstract: To predict the grout spread in fractured rock mass,a two-dimensional Bingham grouting model was employed based on orthogonal fracture network and a cell-centered finite volume method was used for numerical analysis. The grout spread was numerically calculated under different grouting parameters. A grouting radius formula with a grout quantity formula was put forward with the consideration of those parameters. The study results indicates that the grouting pressure,the viscosity of grout,the shear strength of grout,the aperture of fracture and the roughness of fracture dominate the grouting radius,while the grouting pressure,drilling length and the aperture of fracture dominate the grout quantity. The formulas can be used to predict the grouting radius and the grout quantity under arbitrary parameters.
Keyword: grouting radius ; grout quantity ; discrete fracture network (DFN) ; fractured rock masses ; cell-centered finite volume method ; multi-parameter study
Language: 中文
Indexed Type: CSCD
Correspondent Email: fengzhiqiangg@163.com
WOS Keyword Plus: grouting radius ; grout quantity ; discrete fracture network (DFN) ; fractured rock masses ; cell-centered finite volume method ; multi-parameter study
ISSN: 0253-9993
Rank: 王强, 煤炭科学研究总院, 北京 100013, 中国.; 冯志强, 煤炭科学研究总院, 北京 100013, 中国.; 王理想, 中国科学院力学研究所, 北京 100190, 中国.; 唐德泓, 中国科学院力学研究所, 北京 100190, 中国.; 冯春, 中国科学院力学研究所, 北京 100190, 中国.; 李世海, 中国科学院力学研究所, 北京 100190, 中国.
CSCD ID: 5849660
Department: LMFS工程地质体力学(LEM)
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Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/59990
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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