NDLI: Creep and drying shrinkage of a blended slag and low calcium fly ash geopolymer Concrete

Content Provider	Springer Nature Link
Author	Castel, A. Foster, S. J. Ng, T. Sanjayan, J. G. Gilbert, R. I.
Copyright Year	2015
Abstract	The main purpose of this research is to study the time dependent behaviour of a geopolymer concrete. The geopolymer binder is composed of 85.2 % of low calcium fly ash and only 14.8 % of ground granulated blast furnace slag. Both drying shrinkage and creep are studied. In addition, different curing conditions at elevated temperature were used. All experimental results were compared to predictions made using the Eurocode 2. The curing regime plays an important role in the magnitude and development of both creep and drying shrinkage of class F fly ash based geopolymer concrete. A minimum of 3 days at 40 °C or 1 day at 80 °C is required to obtain final drying shrinkage strains similar to or less than those adopted by Eurocode 2 for ordinary Portland cement (OPC) concrete. Creep strains were similar or less than those predicted by Eurocode 2 for OPC concrete when the geopolymer concrete was cured for 3 days at 40 °C. After 7 days at 80 °C, creep strains became negligible.
Starting Page	1619
Ending Page	1628
Page Count	10
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	49
Issue Number	5
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-03-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sustainability Geopolymer concrete Fly ash Creep Shrinkage Structural Mechanics Materials Science Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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Creep and drying shrinkage of a blended slag and low calcium fly ash geopolymer Concrete

Fracture properties of GGBFS-blended fly ash geopolymer concrete cured in ambient temperature

Performance of blended ash geopolymer concrete at elevated temperatures

Response of alkali activated low calcium fly-ash based geopolymer concrete under compressive load at elevated temperatures

Analysis of geopolymer concrete columns

Structural behavior of alkali activated fly ash concrete. Part 2: structural testing and experimental findings

Microstructural changes in alkali activated fly ash/slag geopolymers with sulfate exposure

Evaluation of hybrid steel fiber reinforcement in high performance geopolymer composites

Simulation of a temperature rise in concrete incorporating fly ash or slag

Creep and drying shrinkage of a blended slag and low calcium fly ash geopolymer Concrete

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