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介绍了陡岭子水电工程堆石料采用硐室爆破开采的设计方法和特点。实践证明，大块率得到了有效控制（小于８％），石料级配符合水工设计要求。
The design methods and characteristics of rockfill mining using the chamber blasting in Doulingzi hydropower project are introduced. Practice has proved that the block rate has been effectively controlled (less than 8%), stone grading in line with hydraulic design requirements.