Abstract: Based on the Hongchaofang bridge project, the test of a vertically tensioned prestressed concrete beam has been completed to investigate the manufacturing procedure and mechanical behavior.It demonstrates that the vertically tensioned prestressed concrete technique can simplify the construction technique, save materials, improve work efficiency and bring noticeable benefit in terms of technique and economy.

Key words: vertically tensioned prestressed concrete, experimental investigations, conventional prestressed concrete

摘要： 以红槽房大桥为依托工程,对30 m跨径横张预应力砼足尺梁的工艺和性能进行了试验研究,验证了该技术的可行性和合理性,分析了其技术经济效益,预期了其推广应用前景.

关键词: 横张预应力砼, 试验研究, 常规预应力砼