煤矿安全2019，Vol.50Issue(8)：217-220,225,5.DOI:10.13347/j.cnki.mkaq.2019.08.051
椭圆形陷落柱对综采工作面推进的影响
Effect of Elliptical Collapse Columns on Advance of Fully Mechanized Face
任文永 1刘风伟 1刘超林2
作者信息
- 1. 山西焦煤集团岚县正利煤业有限公司,山西 岚县 035200
- 2. 应急管理部信息研究院,北京 100029
- 折叠
摘要
Abstract
To study the effect of elliptical collapse columns on the advance of fully mechanized mining face, taking the 639#collapse column in 12408 working face of a mine as the engineering background, using a combination method of theoretical analysis, numerical simulation and field measurement, the plastic zone distribution and mining stress distribution around the collapse columns were studied. When the fully mechanized mining face is determined to be 32 m away from the collapse column, the influence of the collapse column on the advance of the fully-mechanized mining face is determined, and the safety protection measures should be taken.关键词
陷落柱/应力分布/安全距离/塑性区/数值模拟Key words
collapse column/stress distribution/safety distance/plastic zone/numerical modeling分类
矿业与冶金引用本文复制引用
任文永,刘风伟,刘超林..椭圆形陷落柱对综采工作面推进的影响[J].煤矿安全,2019,50(8):217-220,225,5.
