整合矿井老空区下顺槽施工技术
Value Engineering（2020）
Abstract
本文介绍了韩咀煤矿在3104主运顺槽施工中遇到2号煤老空区时,实施超前探放水、超前化学注浆固结破碎带和壁后充填空隙相结合、超前管棚临时支护等方式,顺利通过442.5m老空区,取得良好的效果,为在老空区下或老空区内巷道施工提供参考.
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