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In recent years, with the continuous evidence of traffic volume, the problem of overloading caused by vehicles has become increasingly serious. At the same time, there are many safety risks in existing Bridges due to insufficient original design, construction defects, improper operation and maintenance. Therefore, it is necessary to carry out health monitoring on the existing bridge structure. This paper mainly studies the health monitoring and intelligent operation and maintenance method of bridge structure and its application. The health monitoring system of small and medium-sized bridge structure and large bridge structure are analyzed respectively. The results show that in the health monitoring system, the small and medium-sized Bridges need the characteristics of low power consumption, low power, reliable and easy to replace. However, large Bridges are more focused on technology integration and real-time comprehensive monitoring. At the same time, both kinds of health monitoring are developing towards lightweight. In addition, this paper also studies the bridge intelligent operation and maintenance scheme based on BIM. The results show that BIM can achieve full coverage and full time real-time monitoring. Health monitoring and operation and maintenance are developing towards more accurate data and more efficient work.
Bohan Gao (Tue,) studied this question.