夯管锤非开挖技术在尾矿坝仰斜式排水孔工程中的应用

Application of Pipe Reamer Trenchless Technique in Inclined Drainage Hole of Tailings Dam

摘要:

根据甘肃省玛曲县格尔珂金矿尾矿坝体土石碾压部位的地质基本特征和排水孔工程施工技术要求，经过技术经济论证，优选了尾矿坝仰斜式排水孔施工方案。将夯管锤非开挖技术成功应用于仰斜式排水孔工程施工中，取得了较好的效果，为同类工程施工积累了经验。

Abstract:

Based on the geological features of earth-rock compact parts and drainage hole construction requirements for tailings dam of Geerma gold mine in Maqu of Gansu Province, and by the technical and economic analysis, the construction plan of inclined drainage hole for tailings dam was optimized, pipe reamer trenchless technique was successfully applied in the construction with good effects, which could be the reference for the similar project.