文章详细信息 关键词： 超前支承压力;瓦斯涌出;瓦斯压力;数值模拟 [gap=704]Keywords: lead abutment pressure;gas emission;gas pressure;numerical simulation
基于6个网页-相关网页
现场实践表明，大多数冲击地压发生在工作面煤壁前方超前支承压力范围内。
The in-situ practices show that most rock bursts occur in the front abutment scope ahead of the coal face.
得出了超前支承压力存在两个峰值，其峰值大小、位置受煤层采动影响的变化规律。
The result shows that there are two stress peaks in the abutment pressure and its magnitude and location are affected by the mining.
煤柱支承压力峰值超前煤壁一定距离，且此距离随工作面长度加大而减小。
The peak value of abutment pressures on coal pillar had a certain distance to the wall, and the distance reduced when the working face width increased.
应用推荐