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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 3    No. 1    March 1993

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DAMAGE MECHANICS MODEL PREDICTING METALLIC MINE SUBSIDENCE
Yin Deqian ;Zeng Zhuoqiao; Ko  Xinjian

Central South University of Technology; Changsha 410083; China

Abstract:The mine subsidence and ground movement is a complicated mechanical phenomenon. Based on the rock mass being a part of the geologic body suffering deformation and failure, whereas mine subsidence is a phenomenon of rock mass redeformation and refailure, the damage mechanics model for predicting metallic mine subsidence and a planar finite element program considering the damage are proposed; The organizations and rules of metallic mine subsidence are studied. The numerical results agree nicely with the observed data.

 

Key words: mine subsidence damage mechanics Elastic Finite Element (FEM)

ISSN 1672-7029
CN 43-1423/U

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