Combined with construction practice, the paper introduced the construction technology of incremental launching method construction of Xiezizai frame bridge of Yuanping Taiyuan freeway for reference.
结合原太高速公路公铁立交施工实践，介绍了歇子寨框架桥顶推法施工的技术和工艺，供有关工程技术人员参考。
In combination with steel box girder construction by incremental launching method, the paper introduced the construction technique of variable depth curved steel continuous box girder.
结合钢箱梁顶推实例，介绍了变高度曲线连续钢梁顶推施工技术，总结了该施工方法的经验，对类似桥梁的施工有参考价值。
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