机械钻井法施工矿山竖井预制井壁漂浮法安放工艺技术

Floating Installation Technology for Prefabricated Shaft Wall in Vertical Shaft of Mine Constructed by Mechanical Drilling

摘要:

结合河北遵化铁矿Φ5.6 m、深286 m矿山竖井工程，介绍了钻井法施工矿山竖井采用漂浮法安放预制井壁的工艺原理，以及相邻两节井壁连接时的测量方法、工艺控制和井壁安放完成后井筒垂直度的测量技术等。

Abstract:

Based on the engineering of vertical shaft of Zunhua iron mine in Hebei, which was 5.6 m in diameter and 286 m in depth, the paper introduced technological principles of vertical shaft constructed by drilling method and prefabricated shaft wall installed by floating installation technology, together with measuring method for the adjacent two shaft walls connection, process control and vertical measuring technology of the shaft after its wall installation.