According to the indication of the A ramp' s No. 2 bridge the construction process for the reinforced concrete prestressed cast-in-place box beam of Lingshan highway at Wangzhuangbao hub, the paper illustrates the quality control points and precautions of the box construction, so as to provide some reference for similar projects.%通过对王庄堡枢纽A匝道2号桥跨越灵山高速钢筋混凝土预应力现浇箱梁施工过程的叙述，阐述了箱梁施工的质量控制要点和注意事项，为类似工程施工提供了参考。
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