超前锚喷支护在大断面硐室施工中的应用

Application of advance support technology with anchor and sprayed concrete in large section underground chamber

在破碎带中施工大断面硐室,超前锚喷支护技术在富家矿首次应用。文中简述了大断面硐室施工和超前锚喷支护方法。超前锚喷支护的应用实践,为以后在破碎带中施工开拓工程提供了宝贵经验。

Advance support technology with anchor and sprayed concrete was applied in the construction of large section chamber in broken belts in Fujia mine for the first time. The paper introduced the construction experience and the support method.