This paper describes briefly the method of joint support by bolts and cables applied in roadway driving along gob to solve the difficulties such as continued tension in extraction and intensive labor in use of mining-iron shed, iron roof recovery, roadway maintenance.
简述了煤矿在沿空掘进中采用锚杆锚索联合支护的方法,解决了采掘接续紧张和使用架铁棚劳动强度大、铁棚回收、巷道维修困难等难题,并通过巷道矿压监测对6110材料巷支护参数及时加以修正,为进一步沿空掘进支护工作积累经验。
本站部份资料来自网络或由网友提供,如有问题请速与我们联系,我们将立即处理!
版权所有©四级英语单词 网站地图 陇ICP备2023000160号-4
免责声明:本站非营利性站点,以方便网友为主,仅供学习。