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558.8 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。
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.
出处
《探矿工程（岩土钻掘工程）》
2012年第5期25-27,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
送料孔
陶瓷内衬耐磨钢管
钻探
定向井
钻井液
固井
feeding hole
ceramic lined wear-resistant steel pipe
drilling
directional well
drilling fluid
well cementing
