装配式空心板桥典型病害分析与处理

公路桥梁中大量采用的装配式空心板桥．其桥面铺装普遍存在以沿空心板企口缝纵向开裂为主要特征的早期结构病害。针对此类桥梁结构病害，分析了其主要表现形式、产生原因，并通过对一座病害桥梁的静载试验检测，分析验证了出现该类结构病害后，桥梁结构受力性能的变化，最后提出了预防和处理该类病害的措施和方法。

Analysis and rectification of typical failures for prefabricated cellular slab bridges

Of highway bridges, prefabricated cellular slab bridges are employed in great numbers, of which the bridge floor paving is generally subjected to early structural failures mainly characteristic of longitudinal cracking along the rabbets of the cellular slabs. Based on the structural failure of bridges of this kind, this article performs analysis of the manifestation and cause of the failure. Through the static load test and inspection of one faulty bridge, this article analyzes and verifies the change in forcing performance of the bridge structure after the occurrence of the failure before putting forward the prevention of and remedial measures against failures of this kind.