Mechanics Principle and Engineering Application of Split Layer and Bed Separatio

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Mechanics Principle and Engineering Application of Split Layer and Bed Separation of Mining Overburden

To control land surface subsidence caused the underground mineral exploitation and the catastrophic phenomena such as serious damage of buildings, waterbodies, cultivated lands, railways, bridges caused by land subsidence, bed separation grouting technology of overburden is put forward. To provide theoretical support for the technology, the characteristics and the mechanics mechanism of mining overburden from layer-split to formation of bed separation are studied. On the basis of elastic sheet board theory, calculation formula of rock sheet deflection is presented, and the mechanics criteria of the separation formation and the calculation formula of bed separation volume are set up. Finally, the applications and technics of bed separation grout technology of mining overburden to control land subsidence in china are introduced.水利论文JZdzP(j

作 者: YU Guang-ming ZHANG Chun-hui SU Zhong-jie FAN Xue-li PAN Yong-zhan LIU Fu-shun  
作者单位:YU Guang-ming,PAN Yong-zhan,LIU Fu-shun(Civil engineering institute, Qingdao Technological University, Qingdao, 266033)水利论文4p8T@]o Np
ZHANG Chun-hui(Engineering college,Ocean University of China, Qingdao, 266071)水利论文,T@6w&?x,y)Q+R'k
SU Zhong-jie,FAN Xue-li(Liaoning Technical University, Fuxin, 123000) 
刊 名:地球与环境  ISTIC PKU
英文刊名:EARTH AND ENVIRONMENT 
年,卷(期):2005 33(z1) 
分类号:TB125 
关键词:mining overburden   layer splits   bed separation grout   control techniques of strata subsidence   rock plate deflection  
机标关键词:Mining Overburdencalculation formulamining overburdenland subsidencebed separation groutsurface subsidence 
基金项目:中国科学院资助项目,Key Project of Science Foundation of Shandong Province 
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