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Digital Integration of Temperature Field of Cable-Stayed Bridge Based on Finite Element Model Updating and Health Monitoring

Sustainability (Switzerland), ISSN: 2071-1050, Vol: 15, Issue: 11
2023
  • 1
    Citations
  • 0
    Usage
  • 9
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    1
  • Captures
    9
  • Mentions
    1
    • Blog Mentions
      1
      • Blog
        1

Article Description

A health monitoring system typically collects and processes data to observe the health status of a bridge. The cost limitations imply that only the measurement point data of a few key points can be obtained; however, the entire bridge monitoring information cannot be established, which significantly interferes with the data integrity of the structural monitoring system. In this study, a solution is proposed for reconstructing the monitoring data of the entire bridge. By updating the finite element (FE) model based on structural thermal analysis, numerical simulation technology, and other methods, the temperature field integration model of a cable-stayed bridge is realized. The temperature spatial expansion method of deep learning is established by using the complete simulated temperature field of the entire bridge based on limited measured temperature data; this data is verified and applied to the main beam and bridge tower, thereby establishing the complete measured temperature field of the whole bridge. This is of great significance in supplementing health monitoring information, allowing for the accurate monitoring and evaluation of the structural safety and service performance of long bridges.

Bibliographic Details

Guoqiang Zhong; Yufeng Bi; Jie Song; Kangdi Wang; Chao Wang; Shang Liu; Shuai Gao; Xiaonan Zhang; Zixiang Yue; Chunfeng Wan

MDPI AG

Computer Science; Social Sciences; Energy; Environmental Science

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