Water Penetrability of Low Calcium Fly Ash Geopolymer Concrete

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dc.contributor.authorOlivia, Monita
dc.contributor.authorNikraz, Hamid
dc.date.accessioned2013-06-04T04:36:47Z
dc.date.available2013-06-04T04:36:47Z
dc.date.copyrighthttp://www.crcpress.com/product/isbn/9780415616577
dc.date.copyrightjune 2008
dc.date.issued2013-06-04
dc.description.abstractThis paper presents a study on water penetrability properties, namely water absorption, volume of permeable voids, permeability and sorptivity of low calcium fly ash geopolymer concrete. In this research, geopolymer concrete is made from fly ash with a combination of sodium hydroxide and sodium silicate as alkaline activator. Seven mixes were cast in 100x200mm cylinders and cured for 24 hours at 600C in the steam curing chamber. After 28 days, the cylinders were cut into slices for permeability, sorptivity and volume of permeable voids tests. In addition, a microstructure characteristic of geopolymer concrete was studied using Scanning Electron Microscopy (SEM). Results indicate that geopolymer concrete has low water absorption, volume of permeable voids and sorptivity. It is found that the geopolymer concrete could be classified as a concrete with an average quality according to water permeability value. Moreover, a low water/binder ratio and a well-graded aggregate are some important factors to achieve low water penetrability of geopolymer concrete.en_US
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id:80/handle/123456789/3577
dc.language.isoenen_US
dc.publisherwahyu sari yeni
dc.subjectabsorptionen_US
dc.subjectdurabilityen_US
dc.subjectgeopolymeren_US
dc.subjectporosityen_US
dc.subjectsorptivityen_US
dc.subjectwater permeabilityen_US
dc.titleWater Penetrability of Low Calcium Fly Ash Geopolymer Concreteen_US
dc.typeOtheren_US

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