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SHM Based on Modal Analysis: Accelerometer and Piezoelectric Transducers Instrumentation for Civil Engineering in Heterogeneous Structures
Abstract : This paper presents a strategy for the detection of mechanical damage of a reinforced concrete beam strengthened by Carbon Fiber Reinforced Polymers (CFRP) sheets (TFC ©) based on the joint use of piezoelectric sensors and conventional accelerometers. The beam is subjected to repeat impacts that may represent the action of vehicles on a roadway joint of a bridge, at different levels of damage induce by bending of the reinforced concrete beam. The results show that piezoelectric sensors provide a much wide response those accelerometers allowing a study in the high frequency range (above 2 kHz). The spectral response appears largely affected by mechanical damage on the beam and suggests a possible use for SHM in Civil Engineering structures.
Cited literature [5 references]
https://hal.inria.fr/hal-01021063
Contributor : Anne Jaigu Connect in order to contact the contributor
Submitted on : Wednesday, July 9, 2014 - 8:47:55 AM
Last modification on : Wednesday, June 1, 2022 - 5:16:25 AM
Long-term archiving on: : Thursday, October 9, 2014 - 10:53:19 AM
Contributor : Anne Jaigu Connect in order to contact the contributor
Submitted on : Wednesday, July 9, 2014 - 8:47:55 AM
Last modification on : Wednesday, June 1, 2022 - 5:16:25 AM
Long-term archiving on: : Thursday, October 9, 2014 - 10:53:19 AM
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0279.pdf
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