本刊讯(记者孟楠)12月24日,山东省东营市黄河入海口龙居镇的德大铁路龙居黄河特大桥完成合龙,该桥是德大铁路建设中的攻坚点。据中铁一局介绍,该桥全长8.1公里,共有214个墩台,主桥结构为下承式“N”形桁变高度连续钢桁梁,呈“飞燕”展翅翱翔之势,最大跨度达180米,是黄河流域跨度最大、长度最长的铁路钢结构桥梁。 (Reporter Meng Nan) On December 24, the Longju Yellow River Grand Bridge on the Great Railway in Longju Town, the Yellow River into the sea at the mouth of the Yellow River in Dongying City, Shandong Province, was completed and put together. The bridge is a crucial point in the construction of the German Grand Railway. According to the introduction of the China Railway One Bureau, the bridge is 8.1 km in length and has a total of 214 piers and abutments. The main bridge structure is a continuous steel truss beam with “N” Potential, the maximum span of 180 meters, is the largest span of the Yellow River basin, the longest railway bridge steel.