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Vibration Measurement of Tsing Ma Bridge Deck Units during Erection

Chan, Tommy H.T., Ko, Jan Ming , Lau, C.K. , & Wong, K.Y. (1998) Vibration Measurement of Tsing Ma Bridge Deck Units during Erection. In Ajtab, A. & Gosselin, S. (Eds.) IABSE Symposium, Long-Span and High-Rise Structures, 2-4 Spetember, Kobe, Japan.

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Abstract

The Tsing Ma Suspension Bridge in Hong Kong has a main span of 1377m and an overall length of 2160m. During its construction, ambient vibration measurements were carried out to study the dynamic behaviour of the bridge at various construction stages. This paper reports the random vibration measurements of the first few suspeneded deck units. Two measurements were conducted with the first measurement on the first twin-deck-unit module suspended on the main cables and the second on the three partially connected twin-deck-units suspended on the main cables. The identified lowest 15 natural frequencies of the two systems are within the frequency range 0~0.3 Hz and are very closely distributed. The modal frequencies identified and the corresponding analytical results for both systems are in close agreement with the maximum relative difference being less than 10%.

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ID Code: 12878
Item Type: Conference Paper
Additional Information: Access to the author-version is currently restricted pending permission from the publisher. For more information, please refer to the publisher's website (see hypertext link) or contact the author.
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ISBN: 3857480955
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Mechanical Engineering not elsewhere classified (091399)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 1998 IABSE
Deposited On: 06 Mar 2008
Last Modified: 11 Aug 2011 01:26

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