【摘要】 文中论述了霍林河煤田南露天矿目前的疏干状况和存在的问题,并针对存在的问题,提出了用穿孔爆破的方法解决煤层弱含水层的疏干问题。用截水沟和在坑下挖积水坑、渗水井的方法明排,解决雨季露矿坑下防排水问题。更多还原

【Abstract】 This essay discusses about the present situation and the problems in unwatering in south mine of Huolinbe Coalfield. And it puts out the way to solve the present problem in unwatering by punching and blasting, and pumping water by intercepting ditch and dipping plash and infiltration well to solve the problems in pumping in the mining pit during rainy season in the strip mine.更多还原