Zhengzhou Dashiqiao bridge reinforcement with CFRP fabric

Zhengzhou Dashiqiao overpass bridge have some structural problems that needs to be strengthenedis, such as box girder deflection and transverse cracks of beam and floor (web plate and wing plate), leakage of box girder and concrete cracks.

Project profile

Zhengzhou Dashiqiao overpass bridge have some structural problems that needs to be strengthenedis, such as box girder deflection and transverse cracks of beam and floor (web plate and wing plate), leakage of box girder and concrete cracks.


 reinforcement with CFRP fabric and anchoring adhesive


Strengthening time

May 2013


Reinforcement method

Externally bonding carbon fiber reinforced polymer(CFRP) fabric and cross section enlargement


Externally bonding carbon fiber reinforced polymer(CFRP) fabric


Material selection

Horse unidirectional carbon fiber fabric and  HM-500 anchoring adhesive



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