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裂隙岩体注浆扩散范围及注浆量数值模拟
Alternative TitleNumerical analysis of grouting radius and grout quantity in fractured rock mass
王强; 冯志强; 王理想; 唐德泓; 冯春; 李世海
Source Publication煤炭学报
2016
Volume41Issue:10Pages:2588-2595
ISSN0253-9993
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。
Other AbstractTo 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.
KeywordGrouting Radius Grout Quantity Discrete Fracture Network (Dfn) Fractured Rock Masses Cell-centered Finite Volume Method Multi-parameter Study
Indexed ByCSCD
Language中文
WOS Keywordgrouting radius ; grout quantity ; discrete fracture network (DFN) ; fractured rock masses ; cell-centered finite volume method ; multi-parameter study
CSCD IDCSCD:5849660
DepartmentLMFS工程地质体力学(LEM)
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59990
Collection流固耦合系统力学重点实验室
Recommended Citation
GB/T 7714
王强,冯志强,王理想,等. 裂隙岩体注浆扩散范围及注浆量数值模拟[J]. 煤炭学报,2016,41(10):2588-2595.
APA 王强,冯志强,王理想,唐德泓,冯春,&李世海.(2016).裂隙岩体注浆扩散范围及注浆量数值模拟.煤炭学报,41(10),2588-2595.
MLA 王强,et al."裂隙岩体注浆扩散范围及注浆量数值模拟".煤炭学报 41.10(2016):2588-2595.
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