ORIGINAL RESEARCH article
Front. Built Environ.
Sec. Construction Materials
Volume 11 - 2025 | doi: 10.3389/fbuil.2025.1588145
This article is part of the Research TopicAdvances in Fiber-Reinforced Polymer Composites for Civil Engineering ApplicationsView all 4 articles
Optimizing UHPECC Properties Using MAA-Based Particle Packing Techniques with SCMs
Provisionally accepted
Priyanka K
SUGANYA OM*- School of Civil Engineering, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
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This paper presents the development of Ultra High Performance Engineered Cementitious Composites (UHPECC) through optimized Supplementary Cementitious Materials (SCMs) blends with cement and silica sand. Utilizing the Modified Andreasen and Andersen (MAA) model with Water Film Thickness (WFT) and Paste Film Thickness (PFT) analysis improves flowability and strength, reducing experimental trials. Experimental results showed that optimizing mix proportions using WFT and PFT evaluations increased packing density by up to 35.78% and reduced pore volume by 88.2% in the UHPECC matrix. CT scan analysis revealed a pore percentage of 7.5% and a compressive strength of 70 MPa in the conventional mix (X). However, incorporation of SCMs in composites significantly decreased pore percentage from 7.5% to 0.89% and achieved a compressive strength of 134.72 MPa. This study highlights the important role of SCMs selection and optimal quantity in enhancing properties of UHPECC, including packing density, mechanical performance, and porosity reduction.
Keywords: UHPECC, MAA model, WFT, PFT, emma, Pore reduction
Received: 05 Mar 2025; Accepted: 15 Apr 2025.
Copyright: © 2025 K and OM. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: SUGANYA OM, School of Civil Engineering, Vellore Institute of Technology (VIT), Vellore, 632 014, Tamil Nadu, India
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