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Development of 3D-printable alkali-activated UHPC for additive construction
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DOI：10.1016/j.dibe.2026.100993.png)
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Abstract
En 中文
• Alkali-activated UHPC (A-UHPC) developed for 3D printing. • Effects of retarders and rheology modifiers systematically studied. • Printed A-UHPC reduces GWP by 29% vs. conventional UHPC. • Printed A-UHPC cuts embodied energy by 37% vs. UHPC. • Comparable cost and mechanical performance to printed UHPC.
Keywords:
Ultra-high performance concrete
Alkali-activated binder
3D concrete printing
Rheology
Retarder
Mechanical properties
Curing conditions
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