2023 Volume 79 Issue 13 Article ID: 22-13031
A highway bridge has a complex behavior of the whole system. The challenge was to improve the seismic behavior observation system. This study aims to clarify the seismic behavior of the entire highway bridge system. In addition to installing MEMS-type acceleration sensors at multiple locations on the highway bridge, wireless communication suitable for observing the seismic behavior of multiple points is installed. We have developed a strong motion monitoring system that observes the complex behavior of the entire bridge system. By constructing a communication system and relay transmission suitable for handling a large number of sensors, the observation system enables near-real-time multi-point continuous observation of bridges that can collect a large number of observation records wirelessly outdoors. The records observed by the strong motion monitoring system were sufficient for waveform analysis. Furthermore, the system was able to capture the complex behavior of the entire bridge system.
