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Modelling slurry flowing and analyzing grouting efficiency under hydro-mechanical coupling using numerical manifold method

文献类型：期刊论文

作者Liu, Xuewei3,4; Chen, Haixiao2,4; Liu, Quansheng4; Liu, Bin4; He, Jun1
刊名ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
出版日期2021
卷号134页码:66-78
关键词Numerical manifold method Hydro-mechanical coupling Grouting Bingham fluid Deep roadway
ISSN号0955-7997
DOI10.1016/j.enganabound.2021.09.030
英文摘要Grouting is a typical HM (hydro-mechanical) coupling process between slurry and rock and widely used in underground engineering to reinforce the strength of fractured rock mass. In present work, based on numerical manifold method (NMM), an NMM-HM grouting model is proposed to investigate slurry flowing and analyze grouting efficiency. In this NMM-HM grouting model, the slurry flows in fractures and grouting pressure can cause fracture aperture variation and fracture propagation. Then, two numerical examples for central embedded crack and hydraulic fracturing are adopted to validate the presented model. Furthermore, grouting simulations are conducted on a multi-crack and a roadway with fracture networks. Results show that Grouting pressure in fractures can increase fracture aperture, which is beneficial for grouting efficiency. However, fluid pressure could also cause closure of neighboring fractures or even fracture propagation and failure of rock mass, which will weaken grouting effectiveness. Therefore, the coupled HM impacts on grouting efficiency and grouting pressure should be seriously considered and optimized to achieve the expected grouting performance in practice.
资助项目National Natural Science Foundation of China[41807249] ; National Natural Science Foundation of China[51974289] ; Natural Science Foundation of Hubei Province[2019CFB535]
WOS研究方向Engineering ; Mathematics
语种英语
WOS记录号WOS:000714606900006
出版者ELSEVIER SCI LTD
源URL[http://119.78.100.198/handle/2S6PX9GI/28346]  
专题中科院武汉岩土力学所
通讯作者Liu, Xuewei
作者单位1.Minist Water Resources, Key Lab Geotech Mech & Engn, Changjiang River Sci Res Inst, Wuhan 430010, Peoples R China
2.China Univ Geosci, Fac Engn, Wuhan 430071, Peoples R China
3.Monash Univ, Dept Civil Engn, Clayton, Vic 3800, Australia
4.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Xuewei,Chen, Haixiao,Liu, Quansheng,et al. Modelling slurry flowing and analyzing grouting efficiency under hydro-mechanical coupling using numerical manifold method[J]. ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS,2021,134:66-78.
APA Liu, Xuewei,Chen, Haixiao,Liu, Quansheng,Liu, Bin,&He, Jun.(2021).Modelling slurry flowing and analyzing grouting efficiency under hydro-mechanical coupling using numerical manifold method.ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS,134,66-78.
MLA Liu, Xuewei,et al."Modelling slurry flowing and analyzing grouting efficiency under hydro-mechanical coupling using numerical manifold method".ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS 134(2021):66-78.

入库方式： OAI收割

来源：武汉岩土力学研究所

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