“π”型钢梁放顶煤开采中的若干技术问题分析

Technical Issues of Mining for Coal with"π"Model Girder Roof Coal

从一起典型事故案例入手,对推广应用"π"型钢梁放顶煤开采工作中存在的认识上偏差与误区进行了分析研究,并提出了自己的看法。

Based on a typical case,this paper discusses the existing deviation or misunderstanding in the application of the method with'π'model girder roof coal.Some suggestions are presented.