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桥梁因施工过程控制不严格、主梁安装后未及时整体化等原固,导致桥梁出现支座脱空病害,严重影响桥梁安全,必须进行处理。笔者针对深圳市某跨线钢箱梁桥出现的支座脱空现状,分析了病害原因,提出了加配重、调整支座垫板厚度的处治方案,通过桥梁博士软件进行验算并综合造价、工期等方面的分析。
The bridge is not strictly controlled due to the construction process, the original solid has not been fully integrated after the installation of the main girder, leading to the bridge taking off from the ground and seriously affecting the bridge safety and must be dealt with. Aiming at the present situation of standoff void in a overpass steel box girder bridge in Shenzhen City, the author analyzes the cause of the disease, puts forward the treatment plan of adding the weight and adjusting the thickness of bearing pad plate, examines and integrates the cost through the bridge doctor software, Analysis of other aspects.