AI Article Synopsis
- Structural Health Monitoring (SHM) systems have gained popularity for evaluating the structural integrity of long-span bridges, but there is limited research on shorter bridges.
- A new monitoring system for a middle-span bridge in Shenzhen uses sensors to gather extensive data on various operational indicators for early detection of potential issues.
- Over four months, data on strain, creep, pier settlement, and crack width were collected and analyzed using a structural finite element model to assess the bridge's real-time operational status.
Article Abstract
Structural health monitoring (SHM) has attracted significant attention over the past two decades due to its ability to provide real-time insight into the condition of structures. Despite the development of several SHM systems for long-span bridges, which play a crucial role in the assessment of these structures, studies focusing on short- or middle-span bridges remain scarce. This research paper presents an efficient and practical bridge monitoring and warning system established on a middle-span bridge, a key crossroad bridge located in Shenzhen. The monitoring system consists of sensors and measuring points that collect a substantial amount of data, enabling the close monitoring of various operational indicators to facilitate the early detection of threshold exceedances. Based on this system, the subtle condition of the bridge can be evaluated, and the operational condition of the bridge can be studied through the comparative analysis of the collected data. Over four months of monitoring, data including the strain and creep of the main beam, the strain and settlement of piers and the crack width of the bridge body are observed. Furthermore, the real-time operational status of the bridge is analyzed and evaluated through the combination of the collected data and the structural finite element model.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10650168 | PMC |
| http://dx.doi.org/10.3390/s23218702 | DOI Listing |
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