Re-strengthening 20th century architectural heritage : A case study of Brisbane City Hall restoration

Cruz, Arturo (2014) Re-strengthening 20th century architectural heritage : A case study of Brisbane City Hall restoration. In Peña, Fernando & Chávez, Marcos (Eds.) Proceedings of SAHC2014 – 9th International Conference on Structural Analysis of Historical Constructions, Ciudad Universitaria, Mexico City, Mexico, pp. 1-13. (In Press)


Restoring old buildings to conform the current building policies and standards is a great challenge to engineers and architects. The restoration of the Brisbane City Hall, a heritage building listed by the State of Queensland in Australia, developed an innovative approach to upgrade the building using the method called ‘concrete overlay’ following the guidelines of both the International Council on Monuments and Sites and the Burra Charter of Australia. Concrete overlay is a new method of structural strengthening by drilling new reinforcement and placing new concrete on top of the existing structure, akin to a bone transplant or bone grafting in the case of a human being. This method is popularly used for newer bridges which have suffered load stresses. However, this method had never been used on any heritage buildings which were built on different conditions and standards. The compatibility of this method is currently being monitored.

Most of the modern historic buildings are rapidly deteriorating and require immediate interventions in order to be saved. As most of these heritage buildings are on the stage of advanced deterioration, significant attempts are being made and several innovations are being applied to upgrade these structures to conform with the current building requirements. To date, the knowledge and literature in regarding ‘concrete cancer’ in relation to rehabilitating these reinforced concrete heritage structures is significantly lacking. It is hoped that the method of concrete overlay and the case study of Brisbane City Hall restoration will contribute to the development of restoration techniques and policies for Modern Heritage Buildings.

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ID Code: 60581
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Structural Restoration, Reinforced Concrete, Modern Heritage, 20th Century Heritage, Heritage Conservation
ISBN: 04-2014-102011495500-102
Divisions: Current > Research Centres > ARC Centre of Excellence for Creative Industries and Innovation
Current > QUT Faculties and Divisions > Creative Industries Faculty
Past > Institutes > Institute for Creative Industries and Innovation
Past > Schools > School of Design
Copyright Owner: Copyright 2014 [Please consult the author]
Deposited On: 31 Mar 2015 00:55
Last Modified: 25 Apr 2015 18:22

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