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July 26, 2026Scientific ReportsOpen Access

Development of high-early-strength engineered cementitious composite with GGBS and nano-silica for bonding with self-compacting concrete

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Authors

MSM. SravanthiKPK. PoongodiPAPaul O. Awoyera

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Overview

Randomized trial develops a high-early-strength ECC in engineered cementitious bonding with SCC, suggesting improved performance.

Key Points

  • This study aims to enhance early-age strength and bonding of engineered cementitious composites using GGBS and nano-silica.
  • Developed 12 ECC mixes with varying GGBS-to-cement and NS-to-cement ratios.
  • Evaluated compressive strength, tensile strength, and bond strength at different curing ages.
  • Identified optimal mix for improved mechanical properties and bond strength with self-compacting concrete.
  • Optimal mix showed a 22% increase in 7-day compressive strength (from 43.5 MPa to 53.2 MPa).
  • Bond strength increased by up to 78% at 90 days (from 1.87 MPa to 3.27 MPa) compared to the 3-day control strength.
  • Composite beams with optimal ECC mix exhibited higher first-crack load and ductility.

Cite This Study

Sravanthi et al. (2026) studied this question.

synapsesocial.com/papers/6a65a337d3aea3239cd765fbhttps://doi.org/10.1038/s41598-026-63595-9
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