New way to predict the damage and aging of bridges by using DNA. technologies
Providing a diverse range of bridge maintenance information services via a platform that offers aging predictions based on AI
2023-02-21
(Press-News.org) The Korea Institute of Civil Engineering and Building Technology (KICT, President Kim Byung-Suk) announced that it has developed the D.N.A. (Data, Network, and AI) technologies to predict the levels of damage and aging of bridges for preventive maintenance.
As of 2021, the percentage of Korean bridges aged 30 years or more stands at a relatively low 12.5%. However, this ratio is expected to increase in the next decade to 39.3% by 2031 and rapidly spike up to 76.1% in 20 years. For the preemptive management of these aging bridges, the levels and characteristics of performance deterioration for each bridge need to be understood by accumulating comprehensive and strategic data as well as technology that can predict the degree of obsolescence of the bridges based on the collected data.
A KICT research team within the Department of Structural Engineering Research, led by Dr. Ki-Tae, Park, has garnered more than 5 million data elements either directly or indirectly related to aging of bridges from 2021 to 2022. An AI learning model was applied on the established data to develop a prediction curve algorithm that can forecast the spread of damage over time, including a carbonation model of the bridges. The credibility of the technology was further improved by securing additional data on the bridges using IoT technology onsite and from experimental data that considers the environmental conditions of Korea.
The developed bridge aging prediction technology incorporated artificial intelligence technologies to analyze aging data in order to forecast the future level of damage to the bridges. The prediction accuracy of the aging level assessment algorithm stands at 90.8% as of the end of 2022, which is expected to be further improved up to 95% by 2023. Within the international technical level, academic research is in progress and it was investigated with accuracy level of about 85% as of 2021.
KICT plans to provide the results derived from the developed bridge aging prediction technology via a platform where multiple customers can utilize the data. The BMAPS(Bridge Maintenance-Aided Platform Service) platform will offer prediction results and diverse bridge maintenance information services, such as the load-carrying capacity (the ability to support weight) predictions for aging small and medium-sized bridges. The platform will be open to the public in 2nd half of 2023. The platform will be offered in Korean for its use within Korea. In consideration of the development status, an English version of the platform will be prepared by 2024, through which international users can also benefit from the platform as a source of reference.
As the research findings can be used as an objective data source to calculate the maintenance costs of bridges, it will significantly contribute to the preventive maintenance of bridge facilities, thereby reducing massive potential maintenance costs that may occur in the future.
Dr. Ki-Tae, Park, the lead researcher, commented that “securing preventive maintenance information on bridges by using various data, AI, and network-based platform technologies will contribute to the longevity of bridges” and further added, “that the prediction services will expand in the future to include not only bridges but a wide range of infrastructure.”
The research was initiated by the support of the Ministry of Science and ICT and developed under a major KICT initiative, “Development of a Smart Maintenance Platform and Utilization Technologies for Old Bridge Structures based on D.N.A. (2021~2023).”
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The Korea Institute of Civil Engineering and Building Technology (KICT) is a government sponsored research institute established to contribute to the development of Korea’s construction industry and national economic growth by developing source and practical technology in the fields of construction and national land management.
The funding for the research was provided by the Ministry of Science and ICT. An article explaining the some cases results of this research was published in the renowned international journal, Applied Sciences, in December 2022. (IF:2.838)
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[Press-News.org] New way to predict the damage and aging of bridges by using DNA. technologies
Providing a diverse range of bridge maintenance information services via a platform that offers aging predictions based on AI
