Influence of hybrid fiber reinforcement on strength and durability properties of fly ash blended PSC concrete
J. Amirtharaj, S. Natarajan, J. Rajprasad, G. K. Arunvivek, Pramod Kumar, Regasa Yadeta Sembeta · 2026
Read Influence of hybrid fiber reinforcement on strength and durability properties of fly ash blended PSC concrete by J. Amirtharaj, S. Natarajan, J. Rajprasad, G. K. Arunvivek, Pramod Kumar, Regasa Yadeta Sembeta (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13473544.txt.
Description
J. Amirtharaj and five colleagues tested in 2026 whether mixing two kinds of fibre can fix the slow early strength of slag-based concrete. Portland slag cement, blended with fly ash and slag, cuts carbon and improves durability, but slow hydration weakens early strength and limits structural use. The team made fifteen fibre mixes plus one control, adding basalt and recycled steel fibres at total volumes up to 0.75 percent, and tested them at 7, 14, and 28 days.
The control mix lagged early, but fibres compensated strongly, with seven-day compressive strength rising from 26.2 megapascals to a peak of 32.3 megapascals for the best hybrid mix, an improvement of about 23 percent. At 28 days that mix reached 5.4 megapascals in split tensile strength and 8.3 megapascals in flexural strength. Durability also improved, with water absorption down 26 percent, chloride ingress down 41 percent, and acid loss down 34 percent. The authors present the 0.5 percent basalt plus 0.5 percent steel blend as optimum.
Catalog record
| CREATOR | J. Amirtharaj, S. Natarajan, J. Rajprasad, G. K. Arunvivek, Pramod Kumar, Regasa Yadeta Sembeta |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 53 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |