Seismic resilience of retrofitted reinforced concrete buildings

Mahini, S, Hadigheh, S and Setunge, S 2015, 'Seismic resilience of retrofitted reinforced concrete buildings', in D. Fernando, J.-G. Teng and J. L.Torero (ed.) Proceedings of the Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015), Brisbane, Australia, 9-11 December 2015, pp. 222-230.


Document type: Conference Paper
Collection: Conference Papers

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Title Seismic resilience of retrofitted reinforced concrete buildings
Author(s) Mahini, S
Hadigheh, S
Setunge, S
Year 2015
Conference name The Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015)
Conference location Brisbane, Australia
Conference dates 9-11 December 2015
Proceedings title Proceedings of the Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015)
Editor(s) D. Fernando, J.-G. Teng and J. L.Torero
Publisher School of Civil Engineering, The University of Queensland, Brisbane, Australia
Place of publication Brisbane, Australia
Start page 222
End page 230
Total pages 9
Abstract The fundamentals of the seismic resilience and evaluation method are presented. The evaluation is based on a non-dimensional analytical function for loss variation and a linear recovery function for a community in an average state of preparedness within a specified 'recovery period'. The loss function is a normalized function where the drop of functionality right after the extreme event. The formulated framework, applied for a complex system of six hospitals (considering direct and indirect losses), is employed for low and medium-rise retrofitted reinforced concrete buildings in which the seismic performance has been evaluated by the displacement-based design method. Although this type of design prevents loss of people life it cannot maintain functionality or limit damages. A newly developed Resilience-Based Earthquake Design is promising to address these demands. This research shows that the FRP retrofit is more effective than steel bracing in terms of improving performance and ductility in low-rise RC buildings and the measuring seismic resilience shows an enhanced value as opposed to the un-retrofitted structure.
Subjects Structural Engineering
Keyword(s) Performance-based design
resilience
seismic
buildings
assessment
Copyright notice Copyright © 2015 School of Civil Engineering, The University of Queensland and Research Institute for Sustainable Urban Development, The Hong Kong Polytechnic University.
ISBN 9781742721477
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