郑州黄河公铁两用桥引桥公路箱梁架设施工方案研究

郑州黄河公铁两用桥公铁合建段引桥公路上部结构为跨径40.7m先简支后连续预应力混凝土公路箱梁,公路箱梁除N001#～N002#孔采用墩顶滑移架设外,其余各孔均采用架桥机架设。该文重点介绍了公路箱梁架设的施工方案。

Study on Erection Construction Scheme of Approach Highway Box Beam of Highway-railway Bridge on Yellow River in Zhengzhou

The upper structure of the approach highway in the highway-railway constructed section of the highway-railway bridge on the Yellow River in Zhengzhou is the 40.7-m span simply supported-continuous pre-stressed concrete highway box beam.The spans of the highway box beam are erected by the bridge erecting machine except N001#~N002# spans to be erected by the pier top moving process.The article focuses introduction on erecting construction scheme of highway box beam.