马格尼注浆材料在高冒井巷维修加固中的应用

Application of Repair Reinforcement with Magni TM Grouting Material in Ultra High Roof Failing Roadway

以白皎煤矿23采区回风上山为工程背景,研究了高冒区围岩破坏特征和冒垮机理,应用马格尼628煤岩加固材料对超前冒高空洞和冒垮碎石带进行了注浆封堵和胶结加固。结果表明:高冒区破碎围岩物理力学特性获得改善,冒落空洞坍塌和扩大得到抑制,实现了巷道的可靠支护和安全维修。

Studied the high roof caving zone of surroun-ding rock failure characteristics and take the collapse mechanism. Through the application of the Magni TM 628 coal and rock reinforcement material on the front roof caving hole and gangue area with grouting filling and cementation hardening. The results show that the high roof caving zone of broken surrounding rock physical an mechanical proper-ties were improved, caving hole collapse and expand under control, to achieve reliable and secure support roadway repair.