Universiti Teknologi Malaysia Institutional Repository

Detection of concrete spalling using changes in modal flexibility

Hajihasani, N. and Bakhary, Norhisham (2011) Detection of concrete spalling using changes in modal flexibility. In: Advanced Materials Research. Trans Tech Publications, Switzerland, 2598 -2602. ISBN 978-087849206-0

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMR.1...


This paper presents a study in the effect of spalling to dynamic parameters such as natural frequencies and mode shapes. Numerical example of a slab is used as an example in this study. The slab will be modelled using ANSYS 11.0 and various types of spalling are imposed. The changes of vibration parameters are monitored and compared. To compare the sensitivity of modal parameters to spalling is determined using the flexibility method. Based on the results it is found that by incorporating mode shapes using flexibility method, damage location and severity can be obtained.

Item Type:Book Section
Uncontrolled Keywords:flexibility method, mode shape, natural frequency, spalling
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:28910
Deposited By: Liza Porijo
Deposited On:04 Dec 2012 01:53
Last Modified:04 Feb 2017 07:35

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