Effect of fly ash and metakaolin on early-age autogenous shrinkage and mechanical properties of ultra-high-performance concrete

To address the severe autogenous shrinkage and high cracking risk caused by the extremely low water-to-binder ratio in traditional ultra-high-performance concrete (UHPC), this study incorporates fly ash (FA, 10%, 20%, and 30%) and metakaolin (MK, 5%, 10%, and 15%) individually, as well as in binary...

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Autors principals:	Yutai Liu, Ruiqing Hao, Lin Liao, Jinchang Zhao, Zhiling Liao, Zebiao Hou, Mingji Ding
Format:	Artigo
Idioma:	Inglês
Publicat:	Frontiers Media S.A. 2026-06-01
Col·lecció:	Frontiers in Materials
Matèries:	autogenous shrinkage fly ash mechanical properties metakaolin ultra-high-performance concrete (UHPC)
Accés en línia:	https://www.frontiersin.org/articles/10.3389/fmats.2026.1813690/full
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