摘要
井冈山大桥建成于上世纪 70年代初 ,由于交通负荷逐年增加、混凝土收缩徐变及预应力钢筋应力松弛等原因导致结构发生多种病害 .在充分论证基础上 ,采用体外预应力索对结构进行加固 ,通过结构分析 ,提出加固对策 。
Jinggangshan Bridge in Jiangxi Province was built in early 70s' 20th Century. As the heavy traffic increasing yearly , concrete shrinkage, creep and loss of prestress etc, various structural damages appeared. To solve these problems, the measures that the prestressing cables outside concrete is used are presented for strengthening the bridge through structural analyses, and also the construction is briefly introduced.
出处
《华中科技大学学报（城市科学版）》
CAS
2003年第4期24-27,共4页
Journal of Huazhong University of Science and Technology
基金
教育部优秀青年教师资助计划 ( 2 0 0 2年度 )
