Theoretical Analysis and Numerical Simulation of the Graben Fault Instability Mechanism | Zendy

Qihua Ma | Zendy; Shiwei Niu | Zendy; Huaguo Wang | Zendy; Weixiang Ma | Zendy; Lihui Chi | Zendy; Xiao Wan | Zendy

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Theoretical Analysis and Numerical Simulation of the Graben Fault Instability Mechanism

Author(s) -

Qihua Ma,

Shiwei Niu,

Huaguo Wang,

Weixiang Ma,

Lihui Chi,

Xiao Wan

Publication year - 2021

Publication title -

shock and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.418

H-Index - 45

eISSN - 1875-9203

pISSN - 1070-9622

DOI - 10.1155/2021/6976809

Subject(s) - graben , geology , fault (geology) , roof , instability , rock burst , stress field , shear (geology) , geotechnical engineering , stress (linguistics) , seismology , petrology , mechanics , engineering , structural engineering , tectonics , coal , linguistics , philosophy , physics , finite element method , coal mining , waste management

The rock burst caused by geological structures is abrupt and destructive, and the special structure of a graben fault decides the uniqueness of mine ground pressure in the mining process. By simplifying the graben fault structure, the evolution law of roof stress during the recovery process was studied based on the theory of the elastic shear beam. The change laws of stress field and displacement nearby the fault during the advancement process of the working face were explored through a numerical simulation, and the instability mechanism and laws of rock strata nearby this graben fault were revealed. This study will be of great significance for preventing and controlling the rock burst in the graben fault.

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