8月11日，在京台高速公路齐河至济南段改扩建工程黄河特大桥施工现场，大桥主塔建设及钢箱梁顶推作业有序进行，为下一步高质量推进主桥斜拉索架设施工奠定了坚实基础。
据了解，京台高速公路齐河至济南段改扩建项目是国内**高速公路改扩建黄河特大桥并桥建设项目，全长23.99公里，采用双向十二车道高速公路标准建设。新桥和既有桥梁间距60米，主桥为长1080米高低塔双塔、双索面钢箱梁斜拉桥。
为了降低施工和运营期间的安全风险，桥塔采用钢壳—混凝土混合结构，上塔柱采用钢壳混凝土组合结构，下塔柱采用钢筋混凝土结构，钢壳—混凝土混合桥塔在国内也属于首次应用。
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