大型混凝土沉池裂缝原因及补救措施

Cause of Cracks Occurred in Large Scale Concrete Sunk Pool and Reparation Measure

某大型混凝土沉池池壁正式使用前出现裂缝,文章分析了裂缝产生的原因,提出了避免裂缝产生的施工要点:(1)正确认识和使用UEA(U型混凝土膨胀剂)补偿收缩混凝土;(2)浇筑后浇带的时机要恰当;(3)严格按照设计和施工规范制订可行的施工措施。此外,文章还介绍了大型混凝土沉池池壁裂缝补救措施及效果。

There were some cracks occurred in the walls of a large scale concrete secondary sunk pool before it formally worked.This paper analyzes the cause of crack occurrence and puts forward the main points of construction to avoid the problem happened again.