介绍了软岩大型凹陷露天矿新水平开拓的基本方法及改进措施。说明了神华国能宝清煤电化有限公司露天矿基建期开拓的实施情况。利用基坑延深及以水仓为中心四周扩帮的开拓新方法,解决目前疏干排水困难、影响开拓延深的问题,改进的新开拓方法具有施工简便、经济合理、效率高的特点。 This paper introduces the basic methods and improvement measures of the new level open pit in soft rock large open pit. Illustrates the implementation of Shenhua Guoling Baoqing Coal Electric Co., Ltd. open-pit mine infrastructure construction period. Using the new method of deepening the foundation pit and expanding and spreading the water around the silo, the current problems of drainage and drainage are solved and the impact of opening up and deepening is solved. The improved and newly developed method has the characteristics of simple construction, reasonable economy and high efficiency.