沅辰高速公路首
沅辰高速公路首座桥梁梁板架设完成
刚刚过去的中秋假期里，沅辰高速公路的项目建设者依旧坚守在施工一线。近日，随着最后一片梁板缓缓架设在沅辰高速第二合同段孝坪互通主线1号桥上，沅辰高速公路首座桥梁梁板架设完成，主线桥梁正式进入上部结构施工高峰期。孝坪互通主线1号桥全长44.82米，全桥共1联1跨，上部结构采用30米预应力砼简支箱梁，桥梁分左右幅，共10片箱梁，其中中梁6片，边梁4片，下部结构采用组合台配桩基础。为确保梁板架设顺利进行，
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