A new index for single damage detection in beams using static responses data
Publish place: international conference on civil engineering, architecture and Urban Sustainable Development
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCAU01_3044
تاریخ نمایه سازی: 29 تیر 1393
Abstract:
In this paper, a new index has been proposed for single damage detection in beams. The index is defined using static responses obtained for healthy and damaged beam. Using this index, the capabilities of static responses data for finding the location and severity of damage in Euler-Bernoulli beams are assessed. Static responses of a beam are obtained using the finite element modeling. In order to reduce the number of measured nodal displacements, the beam deflection is fitted through a polynomial function using a limited number of nodal displacements. The influence of many parameters may affect the efficiency of the method such as the number of elements, the value, type and location of applied load as well as noise effect is investigated. Two test examples including a simply supported and an overhanging beam are considered. Numerical results show that using this index, the locations of single damage cases having different characteristics can be well determined
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Authors
Omid Yazdanpanah
Department of Civil Engineering, Shomal University, Amol, Iran
Seyed Mohammad Seyedpoor
Department of Civil Engineering, Shomal University, Amol, Iran
Habib Akbarzadeh Bengar
Department of Civil Engineering, University of Mazandaran, Babolsar, Iran
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