Volume element-region-system rock burst model and its application
WANG Enyuan
LI Xuelong
HU Shaobin
LONG Jingkui
LI Zhonghui
Abstract：Based on the elastic-plastic mechanics and damage mechanics principle,in view of the fact that there exist many joint fissures in the coal rock masses,the structural surface unit was added to the elastic-plastic-brittle model of rock burst.The volume element energy potential function was constructed,and the relationship among energy accumulation,dissipation and coal rock dynamic deformation failure process was also established.Then from the energy perspective,the volume element-region-system model of rock burst was established.The results show that rock burst is a failure process of the mechanical balance system of coal rock with structural surface under disturbance.Based on the model,the characteristics of coal rock deformation and failure with different stress and the corresponding geophysics signals were analyzed.The model was verified through the electromagnetic radiation monitoring results on the 23130 driving face of Yuejin coal mine.
Keywords：volume element-region-systemrock burstvolume element energy potential functionelectromagnetic radiation
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 1188-1193 )