Elucidating the role of enforced carbonation and clinker reduction in PET fiber-reinforced strain-hardening cementitious composites (SHCC)

Hamza Ahmed, Ameer; Jose, Anna; Signorini, Cesare; Liebscher, Marco; Butler, Marko; Mechtcherine, Viktor

doi:10.1016/j.cemconcomp.2026.106641

Public

Elucidating the role of enforced carbonation and clinker reduction in PET fiber-reinforced strain-hardening cementitious composites (SHCC)

Published in Cement and Concrete Composites • Apr 21, 2026

Authors:

Ameer Hamza Ahmed

Anna Jose

Cesare Signorini

Abstract

In cement-based matrices, polyethylene terephthalate (PET) fibers are prone to alkaline hydrolysis, limiting their structural applicability in strain-hardening cementitious composites (SHCC). This study evaluates two mitigation strategies: (i) reducing matrix alkalinity through clinker substitution ...

Subject

Materials science

Carbonation

Composite material

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