综采工作面护巷煤柱留设宽度研究
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摘要
为了对山西某矿综采工作面合理的煤柱宽度进行研究,采用数值模拟技术手段,对12m、16m、20m三个不同煤柱宽度的综采面矿压显现情况进行模拟分析,结果表明,16m煤柱时综采工作面的应力集中程度、塑性区分布以及煤柱内侧向位移量均处于较好的状态,可以满足矿井安全高效生产的需要。
In order to study the reasonable coal pillar width of a fully mechanized coal face in Shanxi Province, this paper makes a simulation and analysis on the pressure behavior of fully mechanized coal faces with different pillar widths of 12 m, 16 m and 20 m by means of numerical simulation technology. The results show that the stress concentration degree, plastic zone distribution and lateral displacement in the fully mechanized coal face with 16 m pillar are in a good state, which can meet the needs of safe and efficient production in mines.
In order to study the reasonable coal pillar width of a fully mechanized coal face in Shanxi Province, this paper makes a simulation and analysis on the pressure behavior of fully mechanized coal faces with different pillar widths of 12 m, 16 m and 20 m by means of numerical simulation technology. The results show that the stress concentration degree, plastic zone distribution and lateral displacement in the fully mechanized coal face with 16 m pillar are in a good state, which can meet the needs of safe and efficient production in mines.
引文
[1]杨艳军.不同护巷煤柱宽度采空侧巷道支承应力分布规律[J].能源技术与管理,2018,43(05):65-67.
[2]赵保贵.浅埋煤层大采高护巷煤柱尺寸优化设计研究[J].煤炭与化工,2018,41(08):44-47.
[2]赵保贵.浅埋煤层大采高护巷煤柱尺寸优化设计研究[J].煤炭与化工,2018,41(08):44-47.