郑州黄河公铁两用桥大悬臂预应力盖梁模板支撑设计

Design on Large Cantiever Prestressed Cap Beam Formwork Support of Zhengzhou Yellow River Railway-highway Bridge

以郑州黄河公铁两用桥为例,结合工程概况,采用钢支撑与贝雷桁架支撑梁来支撑模板的方案,对支撑结构的荷载、主梁及钢管立柱的内力进行了计算,各种内力均满足要求,结构安全可靠.实践结果表明,该方案收到了良好的施工效果及经济效益,对其他类似工程的施工具有借鉴意义.

Using Zhengzhou Yellow River Railway-highway Bridge as an example,combining with the condition of the bridge＇s engineering,the scheme which the formworks were supported by steel and Bailey struss,was used,the process of calculation and design on whole support was described.The application results show that this scheme gets good construction effect,and this can provide a reference for similar engineering construction.