Determination of the stress-strain state of rock mass and zone of inelastic deformation around underground mine excavation using modern methods of numerical modelling

被引：3

作者：

Ignatiev, Sergey A. ^{[1
]}

Sudarikov, Aleksandr E. ^{[1
]}

Imashev, Askar Zh ^{[2
]}

机构：

[1] St Petersburg Min Univ, St Petersburg 199106, Russia

[2] Karaganda Tech Univ, Nonprofit Joint Stock Co, Karaganda, Kazakhstan

来源：

JOURNAL OF SUSTAINABLE MINING | 2021年 / 20卷 / 03期

关键词：

rock support; rock mass; surrounding rock mass; geomechanical processes; mathematical modelling; zone of inelastic deformation;

D O I：

10.46873/2300-3960.1324

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The paper reviews methods and trends of numerical modelling of geomechanical processes around underground mine excavations. The most rational method of determining the additional stresses caused by the mine excavations is chosen. Mathematical modelling was performed for excavations of various cross sections and different strength of rocks. The dimensions of the inelastic deformation zone around the mine excavations have been identified. The area of the total fracture zone around the excavation, as well as the area of the roof fracture zone are calculated. The results of the fracture zone modelling are presented both as coordinates and in a graphical form. To simplify application of the modelling results, dependency plots of the obtained parameters were created and analytical dependencies of the fracture zone parameters were identified. The SURFER and KOMPAS software packages were used as the graphic tools to visualize the modelling results.

引用

页码：220 / 227

页数：8

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