<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper focuses on the mechanical properties and modulus of elasticity of fly ash and GGBS based geopolymer concrete. In this study an 8 molarity concentration of NaOH and alkaline liquid ratio in a ratio of 2.5 was used. This study includes the stress-strain behaviour along with the flexural strength, compressive strength and split tensile strengths for the GPC20, GPC40 and GPC60 grades. Tests were carried out on 150 mm × 150 mm × 150 mm cubes and 100 × 100 × 500 mm prisms and 150 × 300 mm cylindrical geopolymer concrete specimens. The test results not- ed the good mechanical properties and measured stress-strain relations of fly ash and GGBS based geopolymer concrete under ambient curing conditions. The elastic modulus was significantly varied with increases in the grade of the concrete. An equation was proposed to determine the modulus of elasticity based on the compressive strength of the geopolymer concrete.</p></abstract>

This paper focuses on the mechanical properties and modulus of elasticity of fly ash and GGBS based geopolymer concrete. In this study an 8 molarity concentration of NaOH and alkaline liquid ratio in a ratio of 2.5 was used. This study includes the stress-strain behaviour along with the flexural strength, compressive strength and split tensile strengths for the GPC20, GPC40 and GPC60 grades. Tests were carried out on 150 mm × 150 mm × 150 mm cubes and 100 × 100 × 500 mm prisms and 150 × 300 mm cylindrical geopolymer concrete specimens. The test results not- ed the good mechanical properties and measured stress-strain relations of fly ash and GGBS based geopolymer concrete under ambient curing conditions. The elastic modulus was significantly varied with increases in the grade of the concrete. An equation was proposed to determine the modulus of elasticity based on the compressive strength of the geopolymer concrete.

An Experimental Investigation of the Stress-Strain Behaviour of Geopolymer Concrete

Department of Civil Engineering, National Institute of Technology

Slovak Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

This paper focuses on the mechanical properties and modulus of elasticity of fly ash and GGBS based geopolymer concrete. In this study an 8 molarity...

An Experimental Investigation of the Stress-Strain Behaviour of Geopolymer Concrete

Published Online: Jun 30, 2018

Page range: 30 - 34

DOI: https://doi.org/10.2478/sjce-2018-0011

Keywords
Geopolymer concrete, Modulus of elasticity, Alkaline solution, Stress-strain

© 2018 M. Venu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

An Experimental Investigation of the Stress-Strain Behaviour of Geopolymer Concrete

Published Online: Jun 30, 2018

Page range: 30 - 34

DOI: https://doi.org/10.2478/sjce-2018-0011

KeywordsGeopolymer concrete, Modulus of elasticity, Alkaline solution, Stress-strain

© 2018 M. Venu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Geopolymer concrete, Modulus of elasticity, Alkaline solution, Stress-strain