麦垛山煤矿送料孔施工技术

Technology of Feeding Hole Construction in Maiduoshan Coalmine

摘要:

为解决麦垛山巷道掘进喷浆输料困难等问题，设计施工了φ558.8 mm、深度536.27 m的送料孔。介绍了该孔的钻孔施工及固井工艺。

Abstract:

A feeding hole of 558.8mm in diameter and 536.27m in depth was designed and constructed to solve the difficulties of guniting and slurry transferring in Maiduoshan tunneling. The paper introduced the technologies of drilling construction and the well cementing.