桁式组合拱桥在使用过程中陆续发生了不同程度病害,其病害是否具有规律和特点,桥梁病害与设计、施工、管养之间是否存在联系等都是人们关心的问题,也是开展病害成因研究的关键。该文根据中国34座桥梁的调研与检测,对该类桥梁主要病害特点进行了归纳与探析。 The truss composite arch bridge has gradually occurred in the process of using different degrees of disease, whether the disease has a regularity and characteristics of the bridge disease and design, construction, maintenance of whether there is a link between the people are concerned about the problem, but also to carry out disease causes key. Based on the investigation and testing of 34 bridges in China, this paper summarizes and analyzes the characteristics of the main diseases of such bridges.