工作面超前预注浆及联合支护在地质异常区施工中的应用  

Application of the pre-grouting and combined support in working face in the geological anomaly zone

作　　者：汪为峰[1] 

机构地区：[1]淮南矿业集团顾桥矿,安徽淮南232121

出　　处：《山东煤炭科技》2014年第7期47-48,50,共3页Shandong Coal Science and Technology

摘　　要：顾桥煤矿-780m南翼胶带机大巷(二)处于地质异常区,采用普通施工方法及支护方式难以向前施工与南区贯通,直接导致南区采煤面无法按期出煤,影响到顾桥矿的采面接替。本文通过分析注浆、锚网、架棚及锚索支护的作用机理,针对现场的地质条件,施工时采用工作面超前预注浆、外锚网内架棚及棚外喷注浆与普通、中空注浆锚索加固的联合支护方式,确保了巷道如期与南区贯通。施工实践表明,此种支护方式在地质异常区软岩巷道中取得了较好的效果。Guqiao -780m south belt conveyor coal roadway （two）is in the geological anomaly area, using the common construction method and support way to construct forward and joint to the south District, directly leds to the coal face cannot produce coal on time, affects the mining face in Guqiao colliery succeeded. In this paper, through the analysis of grouting, anchor, beam and cable anchor supporting mechanism, according to the geological conditions in site, construction used face pre - grouting, anchor net shed and the shed outer jet grouting and ordinary, hollow grouting anchor cable combined support, to ensure that the roadway on schedule and South through. Construction practice indicates that ,this kind of support method and achieved good results in the soft rock roadway in geological anomaly zone.

关 键 词：地质异常 注浆 联合支护 效果 

分 类 号：TD71[矿业工程—矿井通风与安全] TD353