在高速公路桥梁中,上下部结构间主要的连接部件为支座,其质量对高速公路的使用性及耐久性产生直接影响。由广东省现役高速公路定期检查结果可知,比较多见支座病害,出现时间无特定规律,多与支座质量不符合标准相关。本文以广东省肇花高速公路为例,分析了保证支座质量的供应技术条件,旨在避免支座病害的发生,保证高速公路服役期间良好的运行。 In freeway bridges, the main connecting components between the upper and lower structures are bearings, the quality of which directly affects the usability and durability of the freeway. From the regular inspection results of the active service expressways in Guangdong Province, we can see that there is no specific law of the time when the bearing diseases are more common and the quality of the bearing does not conform to the standards. In this paper, the author takes Guangdong Zhaohua Expressway as an example to analyze the supply technical conditions to ensure the quality of the support, aiming at avoiding the occurrence of the bearing disease and ensuring the good running of the expressway during its service.