苏通大桥伸缩缝后浇带常见病害及维修技术

Common diseases and maintenance technology of the Su-tong Bridge post-pouring expansion joint belt

伸缩缝后浇带铺装是苏通大桥建设中的关键技术之一。对苏通大桥后浇带铺装工程的基本条件与结构特点进行概述,围绕其结构特点总结了后浇带铺装层的常见病害,并分析了病害产生的原因。根据病害产生的原因,制定了铺装维修方案。苏通大桥混凝土后浇带铺装工程实践表明,为确保铺装工程的成功,需处理好其使用环境与实施不利因素等基本条件,制定相应的铺装方案,切实解决针对性的施工关键技术问题。

The pavement of the post-pouring belt is one of the key technologies of the Su-tong Bridge construction.With regards to the pavement of the post-pouring belt of Su-tong Bridge,the basic conditions and the structural characteristics is overviewed and summarized the structural characteristics with the common diseases and the reasons of the pavement of post-pouring belt.According to the causes of the diseases,the paving schemes are developed.The Su-tong Bridge concrete pavement engineering practice of the postpouring belt shows that in order to ensure the success of the pavement engineering,the environment and the implementation of unfavorable factors and other basic conditions should be considered with appropriate paving program,to solve the targeted construction of the key technologies issues.