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S238常付线一级公路常平至孟州段沁河大桥位于沁阳市境内,桥长797.58米,跨径为18*30+5*50,下部结构采用混凝土钻孔灌注桩,柱式墩、台,上部结构采用装配式简支预应力箱梁、桥面为连续铺装层结构。预应力箱梁作为上部结构的重要承重构件,直接受动荷载的作用,因此,预应力箱梁的施工质量是大桥质量控制的核心内容之
S238 pays a line regular highway Changzhou to Mengzhou section Qin River Bridge is located in Qinyang City, the bridge is 797.58 meters long, span 18 * 30 +5 * 50, the lower part of the structure of concrete bored piles, column pier, Taiwan, the upper structure of prefabricated prestressed box girder assembly, the deck is continuous pavement structure. The prestressed box girder, as an important load-bearing component of the superstructure, is directly driven by the action of load. Therefore, the construction quality of the prestressed box girder is the core content of the bridge quality control