Embedded Crack Identification in Beam-Column Structures Under Axial Load Using an Efficient Static Data Based Indicator

Document Type : Regular Paper


1 Ph.D. Student, Faculty of Engineering, Imam Khomeini International University, Qazvin, Iran

2 Assistant Professor, Faculty of Engineering, Imam Khomeini International University, Qazvin, Iran


A triangular model base on an investigation which has done by Sinha et al. has been developed for evaluating embedded crack localization in beam-column structures. In the assessment of this member’s behavior, the effects of displacement slope are necessary. In order to propose a crack localization method for embedded crack, an efficient static data based indicator is proposed for this crack in Euler-Bernoulli beam-columns under axial load effect. A finite element procedure is implemented for calculating the Static responses. Then, base on a central finite difference method, the slope and curvatures of horizontal displacements are evaluated. For this purpose, a simply supported beam-column and a two-span beam-column are considered and two different scenarios base on the damage of one element (single damage) and multiple elements (multiple damages) by considering the noise have been assessed. The numerical results have shown that this crack localization method has considerable accurate.


Main Subjects

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  • Receive Date: 02 January 2017
  • Revise Date: 14 February 2017
  • Accept Date: 14 February 2017
  • First Publish Date: 14 February 2017