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Design of a New Flexometer for the Safety Monitoring System of Bridge

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Abstract:

Large span bridges are very important infrastructure of the nations. The enormous investment and significance in state economy make them get more and more recognition. At present, the technology of the safety monitoring of bridges is becoming a hotspot in both academic and engineering field. Now, safety monitoring systems of the structures have been applied to many large bridges in the world. Among all these parameters which can indicate the safety status of bridges, the deflection is indispensable. Although there are lots of sensors now used to measure the degrees of the deflection, it is still very scarce that the sensors can be made for long-distance, real-time and automatic online completely. The photo-electricity and liquid level deflection sensors (PLLD) introduced here are cheaper and of better-automaticity and higher precision and can work online continuously without contact. This paper will show the structure, performance and theory of our new sensor based on ARM7 in detail. In the end, a concrete application instance in XiaoGou bridge of ShanXi province will be given.

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Periodical:

Applied Mechanics and Materials (Volume 624)

Pages:

647-650

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.624.647

Citation:

Cite this paper

Online since:

August 2014

Authors:

Hong Mei Cao

Keywords:

ARM, Bridge Monitoring, Deflection, Sensor

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Сopyright:

© 2014 Trans Tech Publications Ltd. All Rights Reserved

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References

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