泥水盾构刀盘开裂和解体事故原因分析  

Accident Analysis of the Breakdown of Shield Cutterhead

作　　者：黄威然[1] 竺维彬 郭广才[1] 

机构地区：[1]广州地铁设计院,广州工程师510010 [2]广州地铁建设总部,广州510385

出　　处：《城市轨道交通研究》2007年第1期29-33,共5页Urban Mass Transit

摘　　要：广州2台泥水盾构刀盘在穿越512m宽的珠江时分别发生刀盘严重开裂和解体事故。这类事故极其罕见。从刀盘的结构设计和制造质量、地质情况和施工控制等角度对事故原因进行了分析,总结了刀盘设计制造和使用中应注意的问题,以期引起业内同行的重视。This paper deals with an accident in a tunnel construction when two slurry shield machines were excavating under the Pearl River which is as wide as 512 m： one cutterhead broke down, the other cracked. After analying the accident from different aspects, including the design and manufacture of the cutterhead, the geological condition and the construction control, the authors sum up the core reasons and hope this accident will be a good lesson for other metro constructions.

关 键 词：盾构 刀盘开裂解体 事故分析 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]