Taking Beisha River Bridge project on Kaixuan Road in Taiyuan as the example,the paper explores the structural design methods for the section prestressed concrete continuous box girder from the box girder section design,prestressed steel cable allocation,steel bar layout,box girder structure calculation,according to the technical standards of the bridge design,so as to meet the planning’s demands for the structural de-sign of bridges.%以太原市凯旋路北沙河桥梁工程为例，根据桥梁设计的技术标准，从箱梁截面设计、预应力钢束配置、钢筋布设、箱梁结构验算等方面，探讨了等截面预应力混凝土连续箱梁的结构设计方法，使桥梁的结构设计满足规划要求。
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