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通过对 40 m双预应力混凝土简支梁桥的设计施工及试验 ,指出了这种预应力混凝土梁桥的受力特点 ,提出了一种保证双预应力顶压工艺安全有效的新方法 ,给出了该试验梁钢绞线和粗钢筋与管道的摩阻系数等。
Through the design, construction and test of 40 m double prestressed concrete simply supported beam bridge, the stress characteristics of the prestressed concrete beam bridge are pointed out, and a new method to ensure the safety and effectiveness of the double prestressing pressure beam process is proposed. Out of the test beam strand and crude steel and pipe friction coefficient.