本文对研究对象（花岗片麻岩）的主要物理与力学参数进行了测定和分析，确定该岩体为初期裸露强度较大而且完整性较好，但遇水、遇潮则极易风化潮解即刻失去强度而变成散体的一类特种岩性。提出了以密闭为主的具有防水性能的光爆锚喷支护方案，并在双阳矿二水平水仓实施取得了较好的技术与经济效果。 In this paper, the main physical and mechanical parameters of the granite gneiss were determined and analyzed. It was found that the rock body had high initial strength and good integrity in the early stage. However, A type of special lithology that instantly becomes loose and becomes loose. Proposed airtight anchor blasting shotcrete with waterproof performance of the program, and implemented in the Shuangyang second level water storage achieved good technical and economic results.