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六塔部分斜拉连续钢桁结合梁工程规模大、难度高,其施工方案的选取对于架设该桥梁是至关重要的。论文结合郑州黄河公铁两用桥主桥第一联运用整体预推架设的施工方法进行施工,进行了整体顶推架设施工方案及特点的分析,并提出了钢桁梁施工质量保证措施。
The six-tower part of the cable-stayed continuous truss girder joint project is of large scale and high difficulty. The selection of the construction scheme is crucial for the erection of the bridge. Combined with the construction method of integral pre-pillared erection of the main bridge of Zhengzhou Yellow River Rail-cum-Road Bridge, the construction scheme and overall characteristics of erection are analyzed. The construction quality assurance measures of steel trussed girder are proposed.