【作者】 黄海云； 张俊平； 吕金浩；

【Author】 HUANG Hai-yun;ZHANG Jun-ping;Lü Jin-hao;School of Civil Engineering, Guangzhou University;Anhui Highway and Bridge Engineering Co., Ltd.;

【机构】 广州大学木土工程学院； 安徽省公路桥梁工程有限公司；

【摘要】 城市桥梁在户外不利大气环境因素的影响下,混凝土结构的耐久性能会发生退化。以某典型城市高架桥为例,基于混凝土结构耐久性理论,结合现场检测、实地交通调查结果,分析了结构的时变结构抗力和荷载效应,推算了结构控制截面的可靠度。为城市桥梁的后续维修养护、检测以及交通荷载限载政策提供参考。更多还原

【Abstract】 Under the effect of environmental actions, the durability of urban bridges structure are degraded. A typical city viaduct was taken for an example, based on the durability theory of the concrete structure, combined with the results of field detection and traffic survey, the time-varying load bearing capacity and load effect of the structure were analyzed, and the reliability of the structural control section was calculated, which provided reference for the follow-up maintenance, testing and traffic load limit policy of the urban bridge.更多还原