复合法混凝土大管桩管节内壁裂缝的调查分析及措施

Investigation and Analysis of the Causes for Cracks Produced in the Inner Wall of Pipe Sections of Composite Large Concrete Pipe Pile and Countermeasures

介绍对复合法混凝土大管桩1117节管节的裂缝调查及11节管节内壁的取芯检查，分析了管节内壁产生裂缝的主要原因及所采取的相应措施。

The investigation of the cracks produced at the inner wall of 1117 pipe sections of composite large concerete pipe piles and examination for pipe wall cores of 11 pieces is introduced, and maln causes for producing cracks in the inner wall of piles & relevant countermeasures are analyzed.