E3S Web Conf.
Volume 309, 20213rd International Conference on Design and Manufacturing Aspects for Sustainable Energy (ICMED-ICMPC 2021)
|Number of page(s)||8|
|Published online||07 October 2021|
Studies on stress- strain behaviour of fibre reinforced self-compacting concrete in confined state
1 M. Tech (Structural Engineering), Department of Civil Engineering, GRIET, Hyderabad, India. 1
2 Assistant Professor of Civil Engineering, GRIET, Hyderabad, India.
3 Professor of Civil Engineering, GRIET, Hyderabad, India.
4 Assistant Professor of Civil Engineering, VJIT, Hyderabad, India.
* Corresponding author: email@example.com
In the present study, the stress-stain behaviour of self-compacting concrete (SCC) and fibre reinforced self-compacting concrete (FRSCC) were taken up. The stress-strain behaviour was studied for the SCC and FRSCC mixes in unconfined and confined states. The confinement was given in the form of steel hoops in the cylinders, 3 hoops (0.8%), 4 hoops (1.1%), 5 hoops (1.3%) and 6 hoops (1.6%). The addition of fibres along with confinement of FRSCC with steel hoops enhanced the compressive strength, indicating further confinement effect in the FRSCC. It is observed that the addition of fibres is helpful in lower confinements only. Beyond 1.1% confinement, the addition of any type of fibres doesn’t show any effect on compressive strengths. From the stress-strain behaviour of all types of FRSCC, it is concluded that the ultimate load-carrying capacity and strains at peak stresses are more in SFRSCC and HFRSCC for mixes up to 1.1% confinement. The addition of fibres to SCC has increased the ductility in both confined and unconfined states
© The Authors, published by EDP Sciences, 2021
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