Lateral movements in composite high-rise buildings under seismic action

Fatima, T., Fawzia, S., & Nasir, A. (2012) Lateral movements in composite high-rise buildings under seismic action. In Proceedings of the Australasian Structural Engineering Conference, Engineers Australia, Perth, Western Australia, pp. 1-8.

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Daring human nature has already led to the construction of high-rise buildings in naturally challenging geological regions and in worse environments of the world. However; literature review divulges that there is a lag in research of certain generic principles and rules for the prediction of lateral movement in multistorey construction. The present competitive trend orders the best possible used of available construction material and resources. Hence; the mixed used of reinforced concrete with structural steel is gaining prevalence day by day. This paper investigates the effects of Seismic load on composite multistorey building provided with core wall and trusses through FEM modelling. The results showed that increased rigidity corresponds to lower period of vibration and hence higher seismic forces. Since Seismic action is a function of mass and response acceleration, therefore; mass increment generate higher earthquake load and thus cause higher impact base shear and overturning movement. Whereas; wind force depends on building exposed, larger the plan dimension greater is the wind impact. Nonetheless; outriggers trusses noticeably contribute, in improving the serviceability of structure subjected to wind and earthquake forces.

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ID Code: 53828
Item Type: Conference Paper
Refereed: Yes
Keywords: Seismic load, storey drift, lateral force, deflection, base shear
ISBN: 9780858258714
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 [please consult the authors]
Deposited On: 12 Nov 2012 22:30
Last Modified: 24 Nov 2014 23:41

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