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Bridges are one of the infrastructure that make up the transportation network. Due to the long-term impact of natural environmental factors and labor damage issues, bridges often pose safety hazards. To avoid major accidents caused by the health condition of bridges, it is necessary to establish a standardized and comprehensive monitoring system. Among the numerous physical quantities to be measured, using tilt sensors to measure small changes in the tilt angle of bridges is an essential task.

In the safety monitoring of bridges, inclination sensors are usually arranged on the bridge deck and bridge tower to measure the deformation of the bridge under load and evaluate the integrity and stability of the bridge structure. The main purpose of monitoring bridge deck deformation is to determine important technical parameters such as the vertical stiffness and structural bearing capacity of the bridge, which are key indicators in the process of bridge identification, renovation, and new bridge acceptance.

The bridge tower is another part that requires the use of tilt sensors for monitoring. The tilt value of the bridge tower reflects to some extent whether the integrity and stability of the bridge structure are affected, and whether it will endanger the safety of the bridge. The tilt sensor developed by Huilian Technology has high accuracy and small drift, making it an ideal product for bridge monitoring.