摘要
针对不同类型的预应力混凝土连续箱梁桥的不同部位产生的裂缝,经过研究分析,提出了加固箱梁桥施工工艺和相应的加固措施,并将这些技术应用于一座开裂的大跨径预应力混凝土连续箱梁桥的工程加固中,经荷载试验和2年来的运营情况表明,所采用的施工工艺和加固措施是可行的。
According to different parts and different types of cracks, some strengthening methods for the prestressed concrete continuous box-girder bridges and their corresponding technical requirements are proposed. Several methods have been applied to a bridge strengthening practice. The reasonability and effectiveness of the strengthening method has been proved by the static, dynamic tests, and the two-year operation.
出处
《铁道建筑技术》
2007年第4期40-42,47,共4页
Railway Construction Technology
关键词
预应力混凝土箱梁桥
加固措施
混凝土裂缝
prestressed concrete continuous box girder
strengthening measure
concrete crack
