Cover Image

Crack damage detection of reinforced concrete beams using local stiffness indicator

This paper described the application of the generalized solution for transverse vibration to detect crack damages in reinforced concrete beams. A single crack was induced in a full-scale reinforced concrete beam by application of a point load. The load was increased in stages to obtain different cra...

Full description

Saved in:
Bibliographic Details
Main Authors: Ismail, Z., A. Z. C., Ong, Abdul Ghaffar, Abdul Rahman
Format: Article
Language:English
Published: Academic Journals 2011
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/24787/1/Crack%20damage%20detection%20of%20reinforced%20concrete%20beams%20using%20local%20stiffness%20indicator.pdf
http://umpir.ump.edu.my/id/eprint/24787/
https://academicjournals.org/journal/SRE/article-abstract/FA6AB5625769
https://doi.org/10.5897/SRE11.040
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.ump.umpir.24787
record_format eprints
spelling my.ump.umpir.247872019-06-12T04:10:39Z http://umpir.ump.edu.my/id/eprint/24787/ Crack damage detection of reinforced concrete beams using local stiffness indicator Ismail, Z. A. Z. C., Ong Abdul Ghaffar, Abdul Rahman TJ Mechanical engineering and machinery This paper described the application of the generalized solution for transverse vibration to detect crack damages in reinforced concrete beams. A single crack was induced in a full-scale reinforced concrete beam by application of a point load. The load was increased in stages to obtain different crack heights to represent the extent and severity of the defect. Experimental modal analysis was performed on the beam prior to application of the load and after each load stage. The mode shape equation for the beams was obtained by using nonlinear regression. Global flexural stiffness was derived by utilizing the regressed variable  into the equation for transverse vibration of a Bernoulli-Euler prismatic beam. Local flexural stiffness at each coordinate point was derived by substituting the regressed data at that point and by using the centered-finite-divided-difference formula. The global stiffness decreased with increased severity of the crack in the beam. The results were compared with values computed using the secant modulus from the load-deflection plot obtained upon loading at each load stage and the trend was similar. The proposed algorithm could form the basis of a technique for structural health monitoring of load induced damaged reinforced concrete structures. Academic Journals 2011 Article PeerReviewed pdf en cc_by_4 http://umpir.ump.edu.my/id/eprint/24787/1/Crack%20damage%20detection%20of%20reinforced%20concrete%20beams%20using%20local%20stiffness%20indicator.pdf Ismail, Z. and A. Z. C., Ong and Abdul Ghaffar, Abdul Rahman (2011) Crack damage detection of reinforced concrete beams using local stiffness indicator. Scientific Research and Essays, 6 (34). pp. 6798-6803. ISSN 1992-2248 https://academicjournals.org/journal/SRE/article-abstract/FA6AB5625769 https://doi.org/10.5897/SRE11.040
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Ismail, Z.
A. Z. C., Ong
Abdul Ghaffar, Abdul Rahman
Crack damage detection of reinforced concrete beams using local stiffness indicator
description This paper described the application of the generalized solution for transverse vibration to detect crack damages in reinforced concrete beams. A single crack was induced in a full-scale reinforced concrete beam by application of a point load. The load was increased in stages to obtain different crack heights to represent the extent and severity of the defect. Experimental modal analysis was performed on the beam prior to application of the load and after each load stage. The mode shape equation for the beams was obtained by using nonlinear regression. Global flexural stiffness was derived by utilizing the regressed variable  into the equation for transverse vibration of a Bernoulli-Euler prismatic beam. Local flexural stiffness at each coordinate point was derived by substituting the regressed data at that point and by using the centered-finite-divided-difference formula. The global stiffness decreased with increased severity of the crack in the beam. The results were compared with values computed using the secant modulus from the load-deflection plot obtained upon loading at each load stage and the trend was similar. The proposed algorithm could form the basis of a technique for structural health monitoring of load induced damaged reinforced concrete structures.
format Article
author Ismail, Z.
A. Z. C., Ong
Abdul Ghaffar, Abdul Rahman
author_facet Ismail, Z.
A. Z. C., Ong
Abdul Ghaffar, Abdul Rahman
author_sort Ismail, Z.
title Crack damage detection of reinforced concrete beams using local stiffness indicator
title_short Crack damage detection of reinforced concrete beams using local stiffness indicator
title_full Crack damage detection of reinforced concrete beams using local stiffness indicator
title_fullStr Crack damage detection of reinforced concrete beams using local stiffness indicator
title_full_unstemmed Crack damage detection of reinforced concrete beams using local stiffness indicator
title_sort crack damage detection of reinforced concrete beams using local stiffness indicator
publisher Academic Journals
publishDate 2011
url http://umpir.ump.edu.my/id/eprint/24787/1/Crack%20damage%20detection%20of%20reinforced%20concrete%20beams%20using%20local%20stiffness%20indicator.pdf
http://umpir.ump.edu.my/id/eprint/24787/
https://academicjournals.org/journal/SRE/article-abstract/FA6AB5625769
https://doi.org/10.5897/SRE11.040
_version_ 1643669914605584384
score 13.211869

Similar Items