旋挖钻机在不同地层施工中的多发事故分析

On analysis of frequent accidents of rotary drilling rig in various layers construction

分析不同地层的物理特性和受力特点,综述了旋挖钻机施工过程中多发事故的预防、判别及处理方法,通过对这些施工工法的总结,力求为旋挖钻机的施工提供一定指导作用,提高钻机成孔效率,延长钻机使用寿命。

The paper analyzes the physical features of various layers and its stressed characteristics, sums up the prevention, the judgement and treatment methods of the frequent accidents in the construction process of the rotary drilling rig, and provides some direction for the rotary drilling rig construction, improves the drilling ratio and the drilling rig＇s life span by summing up the construction experience.