Structural health monitoring on a steel-concrete composite continuous bridge during construction and vehicle load tests

被引：12
|
作者：
Zhu, Li [1 ]
Wang, Ying [2 ]
Zhou, Guangpan [3 ]
Han, Bing [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing, Peoples R China
[2] Fuzhou Univ, Coll Civil Engn, Fuzhou 350116, Peoples R China
[3] Nanjing Univ Sci & Technol, Sch Sci, Nanjing, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2022年 / 29卷 / 10期
关键词：
Creep; field load test; I-shaped beam; steel-concrete composite bridge; structural evolution; structural health monitoring; SHEAR-LAG; BEAMS; SLIP; STRENGTH; BEHAVIOR; SYSTEM; DAMAGE;
D O I：
10.1080/15376494.2020.1820117
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study presents the structural health monitoring system of an I-shaped steel-concrete composite girder bridge during construction and vehicle load tests. Strains and deflections were monitored. A finite element model was built and calibrated. Vehicle load tests were carried out for various load conditions. Measured results show that the strains in the concrete slab and steel beams changed rapidly in the first 15 days and stabilized. The composite girder was in an elastic working state under the vehicle load tests. This research provides guidance for the construction control and safety evaluation of similar I-shaped steel-concrete composite bridges in the future.
引用
收藏
页码：1370 / 1385
页数：16
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