Approach to Constructing a Hydraulic Fracture Trajectory in a Rock Mass Near a Mine Working

被引：5
|
作者：
Cherdantsev, N., V [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Fed Res Ctr Coal & Coal Chem, Kemerovo 650099, Russia
来源：
MECHANICS OF SOLIDS | 2020年 / 55卷 / 08期
基金：
俄罗斯科学基金会;
关键词：
rock mass; mine working; coal seam; hydraulic fracture; Coulomb– Mohr strength criterion; Griffiths– Irwin theory; method of boundary integral equations;
D O I：
10.3103/S0025654420080063
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper, a model is developed for the geomechanical state of coal-rock mass containing the following: the seam and the hydraulic fracture for effectively applying a method of directional hydraulic fracturing of solid rocks. The model is based on the provisions of solid mechanics and Griffiths-Irwin linear fracture mechanics and is implemented using the method of boundary integral equations. Using the model, a large-scale computational experiment was carried out for specific mining and geological conditions of a coal deposit. Based on the analysis of the obtained results, a number of features in the propagation of the crack were identified.
引用
收藏
页码：1372 / 1391
页数：20
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