Effects of rubber aggregates on the physical-mechanical, thermal and durability properties of self-compacting sand concrete

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Published Jun 19, 2022
DOI https://doi.org/10.3221/IGF-ESIS.61.06

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Faisal Abdelrahman Hashem SALEH
Materials, Soils and Thermal Laboratory (LMST), Department of Civil Engineering, University of Sciences and Technology Mohamed BOUDIAF (USTO MB)
Nouria Kaid
Materials, Soils and Thermal Laboratory (LMST), Department of Civil Engineering, University of Sciences and Technology Mohamed BOUDIAF (USTO MB)
Kada Ayed
Materials Laboratory (LabMat), Department of Civil Engineering, The National Polytechnic School Maurice AUDIN (ENPO.M. A),
Djamel-Eddine Kerdal
Structural Mechanics and Construction Stability Laboratory (LM2SC), Department of Civil Engineering, University of Sciences and Technology Mohamed BOUDIAF (USTO-MB)
Nadjib Chioukh
 Department of Hydraulics, University of Djillali Liabes, Sidi Bel-Abbes
Nordine Leklou
University of Nantes, Saint Naser

Abstract

The aim of this research was to study the effect of incorporating waste rubber aggregates on the physical, mechanical, thermal and durability performance of Self-Compacting Sand Concrete SCSC mixtures. For this purpose, the separately developed Rubberized Self-Compacting Sand Concrete RSCSC were prepared with three fractions of rubber grains where the natural aggregates were replaced with powder rubber, sand rubber and gravel rubber and four addition ratios (5, 10, 15 and 20%) as volume rates. The performed fresh properties using slump-flow, spreading, t500, sieve stability and air-entrained content tests proved better results for the RSCSC in comparison with reference concretes. Hardened state characterization of the concretes exhibited decreases in the mechanical properties of the RSCSC but the thermal conductivity and the dynamic elastic modulus were improved. Assessment of the concrete’s durability was accomplished through determination of apparent porosity, capillary absorption. Therefore, RSCSC to be can used in structural elements of dense reinforcement and complex formwork. Furthermore, this allows promising solution to reduce the impact of waste tyres on the environment and fight pollution.

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    Issue
    Vol. 16 No. 61 (2022): July 2022
    Section
    Miscellanea

    How to Cite

    Saleh, F. A. H., Kaid, N. ., Ayed , K. ., Kerdal, D.-E. ., Chioukh, N. and Leklou, N. . (2022) “Effects of rubber aggregates on the physical-mechanical, thermal and durability properties of self-compacting sand concrete”, Frattura ed Integrità Strutturale, 16(61), pp. 89–107. doi: 10.3221/IGF-ESIS.61.06.
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