Maintenance Timing and Countermeasures of Concrete Bridges under Environmental Impact

2018 4th International Conference on Environmental Science and Material Application

生态环境科学;材料科学

Zhang, Chunxia^1 ; Lin, Zhidan^1 ; Zhu, Jing^1 ; Peng, Lu^1

Research Institute of Highway Ministry of Transport, Beijing

100088, China^1

关键词: Bridge maintenance;    Bridge structures;    Concrete bridge structures;    Degradation mechanism;    Degradation model;    Maintenance cost;    Maintenance funds;    Multi-objective optimization models;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/252/4/042046/pdf
DOI  :  10.1088/1755-1315/252/4/042046

来源: IOP

【 摘 要 】

In order to guarantee the expected service life of the bridge and reasonably allocate limited maintenance fund, this paper focuses on the timing of the bridge maintenance. By studying the degradation mechanism of bridge structure, we establish the degradation model of concrete bridge structure and the multi-objective optimization model. Through minimizing the maintenance cost, the bridge maintenance time can be determined. Furthermore, according to the environmental impact and the effect of various maintenance methods, we develop the maintenance countermeasures list, which builds up a good basis for the scientific quantitative analysis of preventive maintenance.