摘要
本文分析了π型钢梁支护工作面,单体支柱处于初撑状态时的受力情况,建立了该种条件下的力学模型,提出了π型钢梁该条件下支柱最低初撑力的计算方法.
The paper analyzes the prop setting situation on the π-steel beam supporting face.A mechanical model is set up and a method is put forward for calculation the lowest setting load under this condition.
关键词
工作面支护
钢梁
Л型
支柱
初撑力
π-steel beam
setting load
immediate roof
applied moment
