某工程盾构滚刀在硬岩地层中的使用情况分析

摘要

本文以广州轨道交通二、八号线盾构4标盾构工程盾构机在硬岩地层中的掘进情况为例，阐述了在硬岩地层中盾构滚刀的滚刀选型与使用状况以及滚刀损坏失效检查不到位带来的严重后果，总结了滚刀失效的主要形式、原因及应对措施。%This article through to Guangzhou track transportation two, shield machine in the hard rocky ground level＂ s tunneling situation is hob shaping and the behavior in service as rocky ground level the serious results whie measures are summarized. eight line