掘进巷道前探梁临时支护技术的应用实践

摘要

根据榆树田矿首采工作面回风巷道地质条件及掘进期间顶板漏冒情况，设计了巷道掘进前探梁临时支护系统，改进了巷道临时支护方式。本文主要介绍了这项技术的设计原理、操作过程及使用效果，使矿井巷道掘进安全有了保障。%Aiming at the geological conditions of ventilation roadway and roof collapse in tunneling at the first mining face in Yushutian Colliery,the authors present the temporary support system with forepoling-bar including the design principle,operation process and good application effect.