Structural Behaviour of Slender Geopolymer Concrete BeamsWithout Stirrups

Conference paper (2023)

Authors

J. Lu Concrete Structures - CEG
Y. Yang Concrete Structures - CEG
H.W.M. van der Ham Concrete Structures - CEG , Royal Boskalis Westminster
Danny Fu Royal Boskalis Westminster
Research Group
Concrete Structures (CEG) (TU Delft)
Copyright: © 2023 J. Lu, Y. Yang, H.W.M. van der Ham, Danny Fu
DOI
help_outline
https://doi.org/10.1007/978-3-031-32511-3_86
Full-scale test Digital image correlation Geopolymer concrete Shear behaviour in beams without stirrups
More Info
expand_more

Published Date

2023

Language

English

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Faculty

Civil Engineering & Geosciences

Department

Engineering Structures

Research Group

Concrete Structures

Abstract

Geopolymer concrete is a new alternative material to conventional concrete with less carbon dioxide emissions. Researchers have reported much research on the material properties of geopolymer concrete. However, research on the behaviour of this newmaterial at the structural level is still limited, especially at a full-scale structural level. Three geopolymer concrete beams with a total height of 700mm were tested till the shear failure. The first two specimens were subjected to the monotonically increasing load until the shear failure. The third specimen was first loaded under sustained load at the level of 80 kN for three weeks to investigate the influence of shrinkage and creep on the cracking behaviour. Then the specimen was then unloaded and reloaded again to failure. Digital Image Correlation (DIC) measurement was used to measure the surface deformation of the whole span of the beam. The crack spacing, crack width and crack development were investigated using the DIC measurement. The experimental results showed that the shear capacity of tested geopolymer concrete beams is lower than the calculated result based on the Eurocode.