回采工作面初放期间安全管理浅议

A Shallow Argument of Concerning the Safety Control for Working Face During the Period of Initial Blasting down the Roof

针对回采工作面初放期间顶板难于管理的现状,分析了老顶初次来压时支柱受力状态,介绍初次放顶期间具体安全管理办法和事例。

In view of the present situation which is that the roof is difficult to contol during the period of initial blasting down the broof of the working face,the author analyzed the stress state of the prop when the primary press comes to the main roof, introduced concrete methods and examples of safety management for working face during the period of initial blasting down the roof .