机构地区: 广东交通职业技术学院
出 处: 《公路》 2012年第7期92-95,共4页
摘 要: 重点介绍国内第一座顶推施工的竖曲线梁桥——东莞中堂大桥(旧桥)上部结构主跨的加固方案;对该桥上部结构主跨的连续箱梁主要病害进行病因分析;着重介绍该桥上部结构连续箱梁采用增设体外预应力进行加固的设计与施工方案。 The reinforcement scheme of the superstructure of Zhongtang Bridge in Dongguan City,which is the first pushing construction of vertical curve bridge in domestic,is introduced.The causes of the main disease of the superstructure of this bridge are analyzed,and the design and construction scheme of externally prestressed concrete in reinforcement of continuous box-beam bridge are mainly introduced.