Dynamic behaviour of flat post-tensioned floor plates
Jetann, Charles A., Thambiratnam, David P., Kajewski, Stephen L., & Farr, Andrew (2006) Dynamic behaviour of flat post-tensioned floor plates. In Proceedings of the 13th International Conference of Sound and Vibration, Vienna University of Technology, Vienna, Austria, pp. 1-8.
Vibration is a serviceability limit state for the design of suspended floor systems in buildings
that is not well understood by many structural engineers. Dynamic behaviour is an important
design consideration for slender, two-way floors, particularly for those of post-tensioned
concrete construction. At present, there are no reliable design guidelines that deal with this
problem. This paper describes a research program on the dynamic behaviour of posttensioned
concrete floors that is presently underway at Queensland University of Technology
in Brisbane, Australia. Results from this research will enable the development of much
needed design guidance on the dynamic behaviour post-tensioned concrete floors in
A full-scale, post-tensioned slab specimen has been constructed in the university’s structural
laboratory. Purpose-designed support brackets have been fabricated which have enabled an
investigation on the effects of various support conditions at the corners of the specimen. A
series of static and dynamic tests are being performed in the laboratory to obtain basic
material properties and behavior of the specimen. Data collected from these experiments will
be used to tune finite element models for computational, parametric studies. Preliminary
finite element analyses of both composite and homogeneous material cross-sections have
been calibrated against results from initial laboratory experiments. Further field
instrumentation and testing of floors in existing buildings will be conducted to validate
computational studies. These computational studies will be expanded to generate predictive
guidelines for the free vibration and response of two-way, post-tensioned concrete floors.
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|Item Type:||Conference Paper|
|Additional Information:||Author contact: firstname.lastname@example.org|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Construction Engineering (090502)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2006 (please consult author)|
|Deposited On:||29 Nov 2006|
|Last Modified:||04 Feb 2013 15:55|
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