Steel-Concrete Combination Structure Strengthening Method On Bridge Maintenance

5th International Conference on Environmental Science and Civil Engineering

生态环境科学;土木建筑工程

Zhang, Zhenhua^1

Beijing Municipal Road Maintenance and Management Center, no.19 nansanhuan west road, fengtai district, Beijing

100031, China^1

关键词: Bridge maintenance;    Bridge reinforcement;    Combination structure;    Dynamic characteristics;    Mixed reinforcements;    Performance comparison;    Steel concrete composite structures;    Strengthening methods;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/283/1/012032/pdf
DOI  :  10.1088/1755-1315/283/1/012032

来源: IOP

【 摘 要 】

Taking west quay No.15 bridge reinforcement in Beijing as an example, the application of the steel-concrete composite structure in T girder bridge reinforcement engineering is analyzed in this paper, which focuses on the performance comparison before and after reinforcement such as the bearing capacity of the bridge (bending, shear), the dynamic characteristics (natural frequencies and natural period). Data analysis results show that Bridge bending and shear carrying capacity greatly increased and so as the dynamic characteristics by steel structure and mixed reinforcement method, which meets the requirements of the specification and provides an important basis for the same type of bridge reinforcement.