Effect of Alccofine on Durability Properties of Engineered Cementitious Composites Containing Mono and Hybrid Synthetic Fibres

R Prashanthi; K Natarajan

doi:10.17485/IJST/v16i38.1629

Article

Effect of Alccofine on Durability Properties of Engineered Cementitious Composites Containing Mono and Hybrid Synthetic Fibres

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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v16i38.1629

Year: 2023, Volume: 16, Issue: 38, Pages: 3205-3217

Original Article

Effect of Alccofine on Durability Properties of Engineered Cementitious Composites Containing Mono and Hybrid Synthetic Fibres

R Prashanthi^1*, K Natarajan²

¹Research Scholar, Dept of Civil and Structural Engineering, Annamalai University, India
²Associate Professor, Dept of Civil and Structural Engineering, Annamalai University, India

*Corresponding Author
Email: [email protected]

Received Date:02 July 2023, Accepted Date:09 September 2023, Published Date:13 October 2023

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: The study intends to assess the durability behaviour of Engineered Cementitious Composites containing Alccofine and fibres in mono and hybrid formats. Methods: The study comprehensively investigates ECC’s response to water absorption, density, volume of permeable pores and sorptivity based on ASTM C 642 and 1585, respectively. In addition, ECC specimens were subjected to various environments such as acid, alkaline and sulphate mediums to find the performance mentioned above. Findings: The introduction of Alccofine caused a significant effect on both mechanical and durability properties. The results indicated that the inclusion of Alccofine exhibited a decrease of 18.67% of absorption and 25.89% of voids in ECC compared to the control mortar. The density of ECC increased by about 13.42%. After being exposed to acid, alkaline, and sulphate environments, the percentage loss of weight in ECC is 2.93%, 0.56%, and 0.51%, respectively, whereas in the control specimen, it was 3.92%, 0.83%and 1.51%, respectively. Percentage loss of strength also follows the same trend; the values are 14.67%, 3.27% and 11.19% in ECC, whereas in the control specimen, 23.32%, 8.33% and 16.79%, respectively. Alcconfine enhanced microstructure refinement and synthetic fibres crack mitigation behaviour improve ECC’s resistance to the deterioration mechanisms. Novelty: The article reveals that adding Alccofine and hybridising fibers developed a sustainable material and found superior performance in all harsh environmental conditions. Using concrete with enhanced properties will be beneficial.

Keywords: Engineered Cementitious Composites; Polyvinyl alcoholfibre; Polypropylenefibre; Absorption; Sorptivity

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Copyright

© 2023 Prashanthi & Natarajan. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)