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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.5
- 발행연도
- 2019.1
- 수록면
- 585 - 595 (11page)
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초록· 키워드
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Foundations are a vital part of structures. Over time, the foundations can deteriorate due to unforeseen overloads and/or settlements, resulting in the appearance of cracks in the concrete. These cracks produce changes in the static and dynamic behavior of the affected foundation, which alter its load carrying capacity. In this work, non-destructive techniques of relative simplicity of application are presented for the detection, location, and quantification of damage, using numerical models, solved with the finite element method and Power Series. For this, two types of parameters are used: static (displacement and elastic curvature) and dynamics (natural frequencies). In the static analysis, the damage detection is done by means of a finite elements model representing a beam supported on an elastic foundation with a discrete crack that varies in length and location. With regard to dynamic analysis, the governing equations of the model are presented and a method based on Power Series is used to obtain the solution for a data set, which could be the Winkler coefficient, the location of the crack or the frequency. In order to validate the proposed methodologies, these techniques are applied to data obtained from laboratory tests.
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참고문헌 (42)
참고문헌 신청
Mohamed Abdel-Basset Abdo / 2012 / Parametric study of using only static response in structural damage detection / Engineering Structures 34:124~131
2010 / ALGOR 23, Profesional Mech/VE. Docutech, linear stress and dynamics, reference Division
Dionisio Bernal / 2014 / Damage Localization and Quantification from the Image of Changes in Flexibility / Journal of Engineering Mechanics 140(2):279~286
Blevins, R. D. / 1979 / Formulas for Natural Frequency and Mode Shape / Van Nostrand Reinhold Co.
Nadir Boumechra / 2017 / Damage detection in beam and truss structures by the inverse analysis of the static response due to moving loads / Structural Control and Health Monitoring 24(10):e1972
2010 / ALGOR 23, Profesional Mech/VE. Docutech, linear stress and dynamics, reference Division
Dionisio Bernal / 2014 / Damage Localization and Quantification from the Image of Changes in Flexibility / Journal of Engineering Mechanics 140(2):279~286
Blevins, R. D. / 1979 / Formulas for Natural Frequency and Mode Shape / Van Nostrand Reinhold Co.
Nadir Boumechra / 2017 / Damage detection in beam and truss structures by the inverse analysis of the static response due to moving loads / Structural Control and Health Monitoring 24(10):e1972
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