【摘要】 针对混凝土系杆拱桥的病害及养护策略问题,从给定结构寿命的设计及养护的理念出发,提出根据系杆拱桥各构件的等级与易损性分析结果,寻找出结构中既关键又易损的构件,在桥梁设计及养护排序选择时,优先及重点关注这些构件,实现针对性的养护,同时在安全性和经济性之间进行权衡,从而达到降低维护成本,有效地延长桥梁使用寿命的目的。更多还原

【Abstract】 Aiming at the fault and maintenance strategy of concrete bowstring arch bridge,the article analyzes the results based on the grades and vulnerability of components for the bowstring arch bridge from the design and maintenance ideas of the given service life of structure,and looks for the components not only important but also easily damaged in the structures.These components are firstly and importantly plaid attention in the selection of bridge design and maintenance order for realizing the special maintenance.The security and the economy are also weighed to reach the aim of reducing the maintenance cost and efficiently prolonging the service life of bridge.更多还原