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In recent years, with the rapid development of social economy and the advancement of construction technology, a series of large-scale civil engineering projects such as water conservancy dams, high-rise buildings, roads and bridges have been built, greatly promoting the progress and development of human society. However, during the service life of these large civil engineering structures, due to the neglect of periodic damage detection or real-time, online health monitoring of these structures, some civil engineering structures have suffered damage due to their own accumulated damage and weakened resistance, leading to sudden disasters and accidents. Therefore, it is increasingly important to adopt intelligent sensor systems and data acquisition and analysis systems for real-time long-term online health monitoring and detection of civil engineering structures, in order to provide early warning before disasters occur.

The accelerometer of Huilian Technology is an important equipment for monitoring and detecting structural damage in the field of civil engineering. It is a cost-effective accelerometer with small size, low power consumption, good consistency, high stability, low price, and can be widely installed. The data output frequency can reach up to 800Hz, and the working temperature can reach industrial level -40~+85 ℃. Its many advantages have been widely applied and promoted in the field of geotechnical engineering.