大跨径现浇桥病害成因及预防措施

Damage causes of large span cast-in-place bridge and preventive measures

针对大跨径现浇桥跨中下挠问题进行了探讨,根据跨中持续下挠的特点,分析了病害产生的原因及危害,并提出了相应的改进措施和设计对策,以期指导实践。

This paper discussed the midspan deflection problems aimed at the large span cast-in-place bridge,according to the characteristics of midspan continuous deflection,analysed the damage causes and harms,and put forward the corresponding improvement measures and design countermeasures,in order to guide practice.