装配式部分预应力混凝土小箱梁发展历程

经历了20多年的推广、发展、应用和完善,装配式部分预制小箱梁在我国公路建设方面取到不小作用,在以后还会作为预制结构在公路和市政桥梁上大量应用。对小箱梁的发展历程进行简单的介绍以及对小箱梁的几次改版的比较和认识,有关经验可供相关专业人员参考。

Development History of Fabricated Partial Pre-stressed Concrete Small-box Beam

After more than 20 years of promotion,development,application and perfection,the fabricated partial pre-stressed concrete small-box beam has plaid the great role in the highway construction of China,and will be widely used as the pre-stressed structure on the highway and municipal bridge in the future.The development history of small-box beam is briefly introduced,and several revisions of small-box beam are compared and known.The relative experience can be referred by the relevant professionals.