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《Yellow River》 2017-02
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Influence of Excavation Disturbance to the Damage of Fractured Rock Slope

ZHOU Peng;TANG Zhaohui;LIU Lei;Faculty of Engineering,China University of Geosciences;  
Rock is a kind of heterogeneous composite structure,in which there is a variety of natural fractures. Based on the continuum damage mechanics and fracture mechanics,it analyzed the initial damage of the elastic stage and extension damage of cracks caused by excavation,deduced the fractured rock mass elastoplastic damage constitutive relationship. P rogramming the elastoplastic damage constitutive equation by using secondary development,and compiling the FLAC3 Dcustom fractured rock mass elastoplastic damage entend constitutive model,and applying custom constitutive model for building materials limestone mine in Guangxi Fengshan slope numerical simulation,its results show that: the upper part of the slope has higher damage degree,and has a larger displacement after two steps excavation,which means the cracks in the upper part of the slope have the possibility of potential sliding as long as the cracks extending. It should be systematically reinforced.
【CateGory Index】: TU45
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【Citations】
Chinese Journal Full-text Database 3 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 YANG Jie;YIN Zhen-yu;JIN Yin-fu;ZHANG Dong-mei;HUANG Hong-wei;Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education,Tongji University;Department of Geotechnical Engineering,Tongji University;Ecole Centrale de Nantes;Department of Civil Engineering,Shanghai Jiaotong University;;Development and application of a structured clay model in FLAC[J];计算力学学报;2017-06
2 GUO Ruikai;DING Jianhua;ZHAO Kui;GU Ruizhi;Faculty of Resources and Environmental Engineering,Jiangxi University of Science and Technology;;Fractional Calculus Creep Constitutive Model of Filling Body and its Development and Application in FLAC~(3D)[J];中国钨业;2017-05
3 Zhao Guangming;Wang Kun;Wang Chao;Meng Xiangrui;Key Laboratory of Safety and High-efficiency Coal Mining,Ministry of Education,Anhui University of Science and Technology;Xuzhou Mining Group Co.Ltd.,Jiahe Coal Mine;;Numerical Simulation on Rock Deformation and Damage of Roadway Contained by The Fissure Water[J];地下空间与工程学报;2017-04
4 Lyu Huaxin;Lian Xiaoyong;Qianjiaying Mining Branch,Kailuan Group Corporation Limited;Uroica (Shandong) Environmental Engineering Company Limited;;Study on standing blasting technology applied to handle powered support jammed accident occurred in fully-mechanized coal mining face[J];煤炭科学技术;2017-08
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7 SONG Yuanba;YAN Shuai;BAI Jianbiao;HAO Shengpeng;CHEN Yong;School of Mines,China University of Mining and Technology;State Key Laboratory of Coal Resources and Safe Mining,China University of Mining and Technology;;Implementation of shear broken failure of bolts in FLAC~(3D) and its application[J];岩石力学与工程学报;2017-08
8 WANG Shu;Logistics Department,Shanghai University of International Business and Economics;;Study on the influence factors of the deep rock mass zonal disintegration based on numerical simulation method[J];青岛理工大学学报;2017-02
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10 LIU Guo-hua, WANG Zhen-yu (College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310027, China);Dynamic response and blast-resistance analysis of a tunnel subjected to blast loading[J];浙江大学学报(工学版);2004-02
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