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Damage localization and quanti cation in simply supported beams using static test data

Opened Access Damage localization and quanti cation in simply supported beams using static test data

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Autor: Solís Muñiz, Mario
Ma, Q
Departamento: Universidad de Sevilla. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras
Fecha: 2017
Publicado en: Journal of Physics: Conference Series, 842 (Conference 1)
Tipo de documento: Artículo
Resumen: A novel simple method using static test data for damage detection, localization, and quanti cation in beams is presented in this paper. The method is based on the change of the de ections of the beam between a reference and a damaged state. For simply supported beams with a single damage, the maximum value of the change of de ections indicates the location of damage. Once the damage is located, one could estimate the rotational sti ness at the damaged cross section by applying a superposition scheme to isolate the e ect of damage and by using basic structural analysis equilibrium equations. Afterwards, damage extent is evaluated through an existing relation between rotational sti ness and damage severity. Several static tests of a simply supported steel beam with a point load at di erent locations were conducted to exam the performance of the strategy. The damage is arti cially introduced as an opened crack located at the bottom of the beam. The de ections of the beam wer...
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Cita: Solís Muñiz, M. y Ma, Q. (2017). Damage localization and quanti cation in simply supported beams using static test data. Journal of Physics: Conference Series, 842 (Conference 1)
Tamaño: 1.944Mb
Formato: PDF

URI: https://hdl.handle.net/11441/69765

DOI: http://iopscience.iop.org/article/10.1088/1742-6596/842/1/012007

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