盾构管片开裂原因分析及应对措施

Cause Analysis and Corresponding Measures of Shield Duct Piece Crack

管片作为盾构隧道的主体结构,其开裂必将造成隧道的质量问题,并最终影响隧道的使用寿命。通过对隧道管片在盾构掘进施工中产生的裂缝进行原因分析,提出相应的对策,对指导施工具有重要意义。

As the main structure of shield tunnel, the crack will lead to the quality problem of tunnel and reduce the lifespan of tunnel. The causes are analyzed in construction and relating measures are indicated. It is significant to directing construction.