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The effects of bolted joints on dynamic response of structures

Zaman, Izzuddin and Khalid , Amir and Manshoor, Bukhari and Araby, Sherif and Ghazali, Mohd Imran (2013) The effects of bolted joints on dynamic response of structures. IOP Conf. Series: Materials Science and Engineering, 50. 012018. ISSN 1757-8981

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Abstract

Joint is an universal fastening technology for structural members; in particular bolted joints are extensively used in mechanical structures due to its simple maintenance and low cost. However, the components of bolted joint are imperative because its failure could cost catastrophic and endanger lives. Hence, in this study, the effects of bolted joints on vibrating structures are investigated by determining the structural dynamics properties, such as mode shapes, damping ratios and natural frequencies, and these are compared with the monolithic structures (welding). Two approaches of experimental rigs are developed: a beam and a frame where both are subjected to dynamic loading. The analysis reveals the important of bolted joint in increasing the damping properties and minimizing the vibration magnitude of structure, therefore indicates the significant influence of bolted joints on the dynamic behaviour of the assembled structures. The outcome of this study provides a good model for predicting the experimental variable response in different types of structural joints.

Item Type: Article
Uncontrolled Keywords: joints; free vibration; modal testing
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA349-359 Mechanics of engineering. Applied mechanics
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Engineering Mechanics
Depositing User: Dr Izzuddin Zaman
Date Deposited: 08 Dec 2014 06:34
Last Modified: 08 Dec 2014 06:34
URI: http://eprints.uthm.edu.my/id/eprint/6228
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