桥梁模数式伸缩装置病害分析及维护

Disease Analysis and Maintenance of Bridge Modular Expansion Devices

文章概述了D160及其以上规格模数式伸缩装置在桥梁中的主要病害,包括橡胶条破损、钢结构锈蚀、位移箱问题、支座滑动或脱落、位移控制弹簧老化、缝宽异常、异常响声等,并分析了其原因。文章还提出了日常巡查方法和异常状况处置程序,并提倡精细化养护以提升桥梁管养水平。

This paper summarizes the main diseases of D160 and above modular telescopic devices in bridges,including rubber strip damage,steel structure corrosion,displacement box problems,bearing sliding or falling off,displacement control spring aging,abnormal joint width,abnormal noise,etc.,and analyzes the causes.The paper also puts forward the daily inspection methods and abnormal condition disposal procedures,emphasizes the importance of expansion devices,and advocates fine maintenance to improve the level of bridge maintenance.