Use of geopolymer concrete in column applications
Paper
Lokuge, Weena, Sanjayan, Jay and Setunge, Sujeeva. 2015. "Use of geopolymer concrete in column applications." 27th Biennial National Conference of the Concrete Institute of Australia (Concrete 2015) in conjunction with the 69th RILEM Week: Construction Innovations, Research into Practice. Melbourne, Australia 30 Aug - 02 Sep 2015 Australia.
| Paper/Presentation Title | Use of geopolymer concrete in column applications |
|---|---|
| Presentation Type | Paper |
| Authors | Lokuge, Weena (Author), Sanjayan, Jay (Author) and Setunge, Sujeeva (Author) |
| Journal or Proceedings Title | Proceedings of the 27th Biennial National Conference of the Concrete Institute of Australia (Concrete 2015) |
| ERA Conference ID | 60206 |
| Number of Pages | 8 |
| Year | 2015 |
| Place of Publication | Australia |
| ISBN | 9781943847709 |
| Web Address (URL) of Paper | http://concrete2015.com.au/ |
| Conference/Event | 27th Biennial National Conference of the Concrete Institute of Australia (Concrete 2015) in conjunction with the 69th RILEM Week: Construction Innovations, Research into Practice |
| Concrete Institute of Australia - Biennial Conference | |
| Event Details | 27th Biennial National Conference of the Concrete Institute of Australia (Concrete 2015) in conjunction with the 69th RILEM Week: Construction Innovations, Research into Practice Parent Biennial Conference of the Concrete Institute of Australia Event Date 30 Aug 2015 to end of 02 Sep 2015 Event Location Melbourne, Australia |
| Event Details | Concrete Institute of Australia - Biennial Conference |
| Abstract | Geopolymer Concrete has been extensively studied in the past and recognised as a greener substitute for Ordinary Portland Cement (OPC) concrete. Geopolymer concrete is proven to have good engineering properties with a reduced carbon footprint. Geopolymers not only reduce the greenhouse gas emission but also use a large amount of industrial wastes such as fly ash and slag. This environmentally friendly material is being embraced by the construction industry after its use in the Global Change Institute at University of Queensland. However, research into the use of geopolymer concrete in structural applications is very limited. This research paper aims at investigating the applicability of a constitutive relationship that authors developed for OPC concrete in predicting the constitutive relationship of geopolymer concrete. This model has the capacity to predict the lateral dilation of concrete which in turn will be used to establish the confinement provided by the lateral reinforcement in column applications. Load deformation behaviour of twelve geopolymer concrete slender columns reported in the literature is used to validate the proposed model. Since geopolymer concrete exhibits higher brittleness than OPC concrete, careful consideration should be given in the structural design of geopolymer concrete. Predicted behavior for slender geopolymer concrete columns using the proposed stress-strain relationship for confined geopolymer concrete is in good agreement with the experimental results. The outcomes of this paper will be useful in the structural analysis of geopolymer concrete columns. |
| Keywords | geopolymer concrete; stress-strain relationship; confinement; slender column |
| ANZSRC Field of Research 2020 | 400510. Structural engineering |
| 400505. Construction materials | |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Byline Affiliations | Centre of Excellence in Engineered Fibre Composites |
| Swinburne University of Technology | |
| Royal Melbourne Institute of Technology (RMIT) | |
| Institution of Origin | University of Southern Queensland |
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