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介绍了411l工作面回采中遇到的地质问题,并通过新的地质技术和新方法,成功采取了跟管钻进的钻探加固方法和注浆加固以及释放顶板水的综合方法,成功解决了冒落区对回采的影响。
This paper introduces the geological problems encountered in the mining of 411l working face and successfully adopts the new geological technology and new methods to successfully take the drilling reinforcement method with grouting and the grouting reinforcement and the roof water releasing method. Impact of falling area on mining.