超高性能水泥基复合材料(UHPC)在槽型梁桥面板加固工程中的应用

Application of Ultra High Performance Cement Composites (UHPC) in Reinforcement Engineering of Groove Beam Bridge Deck

目前高速公路桥梁由于超载、养护不到位等因素,陆续出现各种病害,而传统加固方法存在加固困难、效果不理想等问题。介绍采用超高性能水泥基复合材料(UHPC)对桥梁结构加固的新技术,研究UHPC组合构件的结构计算方法。这种加固新技术可在不中断交通的情况下,对原有结构影响最小,有效改善结构状况,具有一定的推广价值。

At present,a variety of diseases have appeared in the highway bridges due to the overloading and the poor maintenance,and the traditional reinforcement methods are difficult to reinforce,and the effect is not ideal.The new technology of ultra-high performance cement-based composite material(UHPC)for bridge structure reinforcement is introduced,and the structural calculation method of UHPC composite components is studied.The new reinforcement technology can have the least influence on the original structure without interruption of traffic,and effectively improve the structural condition.It has certain popularization value.