Show simple item record

dc.contributor.authorPistol, K.
dc.contributor.authorRickard, William
dc.contributor.authorGluth, G.
dc.date.accessioned2017-04-28T13:58:56Z
dc.date.available2017-04-28T13:58:56Z
dc.date.created2017-04-28T09:06:19Z
dc.date.issued2016
dc.identifier.citationPistol, K. and Rickard, W. and Gluth, G. 2016. Mechanische Hochtemperatureigenschaften von flugaschebasierten Geopolymerbetonen. Bautechnik. 93 (8): pp. 521-530.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/52487
dc.identifier.doi10.1002/bate.201600038
dc.description.abstract

Copyright © 2016 Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, BerlinMechanical properties of fly ash-based geopolymer concretes at high temperature. At present, concretes based on alkali-activated binders, so-called geopolymer concretes, are investigated intensively in the building materials industry and by the research community as environmentally friendly alternative to Portland cement-based concretes. These inorganic binders, which are based on industrial by-products such as fly ash and ground granulated blast furnace slag, exhibit high resistance against corrosive acids and salts, if properly designed. The mechanical properties of fly ash-based geopolymer concretes at high temperatures are subject of systematic investigations at the Bundesanstalt für Materialforschung und -prüfung (BAM) to create a basis for the structural design of fire exposed concrete members based on alkali-activated binders. The concrete specimens, produced with quartz aggregates or lightweight aggregates and heated to a maximum temperature of 750 °C, exhibited a decrease of compressive strength up to temperatures of ca. 300 °C, attributed to formation of microcracks caused by dehydration. At higher temperatures the compressive strength of the investigated geopolymer concretes recovered partly, due to sintering processes starting from ca. 500 °C. Because of this beneficial property when compared to conventional concretes, geopolymer concretes can potentially be applied in infrastructure facilities where fire resistance is critical. From the results of the thermomechanical tests stress-strain relationships are derived that can be used for the structural design of members made from geopolymer concretes.

dc.titleMechanische Hochtemperatureigenschaften von flugaschebasierten Geopolymerbetonen
dc.typeJournal Article
dcterms.source.volume93
dcterms.source.number8
dcterms.source.startPage521
dcterms.source.endPage530
dcterms.source.issn0932-8351
dcterms.source.titleBautechnik
curtin.departmentJohn de Laeter Centre
curtin.accessStatusFulltext not available


Files in this item

FilesSizeFormatView

There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record