论文部分内容阅读
1.3 岩溶水涌入处的修复措施在岩溶水涌入处和通风机附近约15m长的受岩溶水冲击威胁的巷道,必须立即用相距6m的液压支架和铝质合金顶梁加以支护。在岩溶水涌入处的下部,穿过钢筒插入一根10m长、直径1m的钢管。这样,重新保
1.3 Restoration Measures for Karst Water Inrush Roadways threatened by karst water of about 15 m near the influx of karst water and near the ventilator must be immediately supported by hydraulic supports and aluminum alloy roof beams 6 m apart. At the lower part of the influx of karst water, insert a 10 m long, 1 m diameter steel pipe through the steel cylinder. In this way, re-insurance