Causes and Countermeasures of Cracks in Web of Prestressed Concrete Castin-place Box Girder

The crack at the box girder web will not only affect the external perception of the bridge, but also endanger the safety and durability of the bridge structure, so it should not be underestimated. Based on the author's previous practical experience in the construction of cast-in-place box girder, this paper comprehensively analyzes the causes of the cracks in the web of prestressed concrete cast-in-place box girder and puts forward the corresponding countermeasures for reference.