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The Health Monitoring of a Prestressed Concrete Beam Using Inverse Modeling Technique and Measured Dynamic Response

Abstract : This paper presents an inverse modeling technique using dynamic strain responses to identify the prestressed concrete beam parameters: the pretension in the cable and the prestress in the concrete. The direct problem corresponds to 2D elastodynamics equations. To get the beam parameters, we minimize a classical data misfit function using a gradient-like algorithm. A low-cost computation of the functional gradient is performed using the adjoint problem
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https://hal.inria.fr/hal-01021998
Contributor : Anne Jaigu <>
Submitted on : Thursday, July 10, 2014 - 9:49:28 AM
Last modification on : Tuesday, December 8, 2020 - 10:20:37 AM
Long-term archiving on: : Friday, October 10, 2014 - 10:45:40 AM

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Mostafa Kamel Smail, Julien Waeytens, Frédéric Bourquin. The Health Monitoring of a Prestressed Concrete Beam Using Inverse Modeling Technique and Measured Dynamic Response. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01021998⟩

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