Model test study on surrounding rock deformation and failure mechanisms of deep roadways with thick top coal

被引：174
|
作者：
Li, S. C. [1 ]
Wang, Q. [1 ,2 ]
Wang, H. T. [1 ]
Jiang, B. [1 ]
Wang, D. C. [1 ]
Zhang, B. [1 ]
Li, Y. [1 ]
Ruan, G. Q. [2 ]
机构：
[1] Shandong Univ, Res Ctr Geotech & Struct Engn, Jinan 250061, Peoples R China
[2] Yankuang Grp Co Ltd, Postdoctoral Sci Res Stn, Zoucheng 273500, Shandong, Peoples R China
来源：
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY | 2015年 / 47卷
关键词：
Deep roadway with thick top coal; Pressure relief anchor box beam; Geomechanical model test; Field test; Deformation and failure mechanism; NUMERICAL-ANALYSIS; SIMULATION; TUNNELS; CAVERN;
D O I：
10.1016/j.tust.2014.12.013
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The deep roadway with thick top coal is a typical roadway difficult to support in deep mining project, and resolving this sophisticated problem to control the stability of surrounding rock is of great significance in safety production of coal mines. In order to explore the surrounding rock deformation and failure mechanisms of such deep roadways, with Zhaolou coal mine in Juye mining area of China as the engineering background, a large-scale geomechanical model test was carried out. The displacement and stress evolution laws of surrounding rock supported by the pressure relief anchor box beam system were researched. Meanwhile, the related results validate and analyze main failure characteristics and mechanisms of the surrounding rock by comparing with field test. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：52 / 63
页数：12
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