Modeling influence of fault zone on stress distribution in rock mass with regard to the accumulated elastic energy

International Scientific Conference "Knowledge-based technologies in development and utilization of mineral resources"

Lavrikov, S.V.^1 ; Mikenina, O.A.^1 ; Revuzhenko, A.F.^1

Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, 54 Krasny ave, Novosibirsk

630091, Russia^1

关键词: Elastic energy;    Fault zone;    Quasi-static;    Rock mass;    Self-balancing;    Surrounding rock mass;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/206/1/012002/pdf
DOI  :  10.1088/1755-1315/206/1/012002

来源: IOP

【 摘 要 】

Based on the mathematical model of structurally inhomogeneous rock mass, the problem of stress distribution nearby a disjunctive break ahead of the stoping face is considered. The model describes the property of rocks to accumulate elastic energy in the form of internal self-balancing stresses. The problem is solved numerically in the quasi-static formulation using the finite element method. It is shown that the presence of the fault zone can provoke release of the accumulated elastic energy and, thereby, change stress distribution in surrounding rock mass.