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Paper Title :
MEMS Based Bridge Health Monitoring System

Author :Ankita Kumar, S.S.Balpande

Article Citation :Ankita Kumar ,S.S.Balpande , (2014 ) " MEMS Based Bridge Health Monitoring System " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 14-18, Volume-2,Issue-4

Abstract : This paper presents design and analysis of MEMS based system for health monitoring of bridges. The major load components of highway bridges are dead loads, live loads (static and dynamic), environmental loads (temperature, wind, earthquake) and other loads (collision, emergency braking). Avoiding resonance disasters is a major concern in every structure. It is intended to develop cantilever based vibration sensor by deposition of piezoelectric material. The objective of work is to monitor and generate alert for the eventualities in which the vibrations caused by the live load do not coincide with the multiples of natural frequency of the bridge which can cause structural damage at multiples of the resonant frequency n*f and collapse bridge at resonant frequency. Hence this cantilever based vibration sensor would detect such occurrences and their frequency, so as to aid in increasing longevity of the bridges. The cantilever of E shaped is being designed and simulated with dimensions of 6.832mm x 2.180mm. The materials play a vital role in sensitivity of sensor and PZT 5H is selected on the basis of material analysis carried out. The Z displacement of 5.3 µm to 46.14 µm has been recorded.

Type : Research paper

Published : Volume-2,Issue-4


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-1340   View Here

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