Effect of Active MgO on Compensated Drying Shrinkage and Mechanical Properties of Alkali-Activated Fly Ash–Slag Materials

Buildings, Год журнала: 2025, Номер 15(2), С. 256 - 256

Опубликована: Янв. 16, 2025

The influences of MgO activity and its content on the mechanical properties, drying shrinkage compensation, pore structure, microstructure alkali-activated fly ash–slag materials were investigated. Active effectively compensated for materials’ (AAMs’) shrinkage. increased rapidly with increase in curing age stabilized after 28 d. Within a certain range, material’s was inversely proportional to active MgO. higher MgO, lower AAMs under same content. values test groups 9% R-MgO, M-MgO, S-MgO at 90 d 2444 με, 2306 2156 respectively. In early stage hydration, addition reduced compressive strength. As M-MgO increased, strength first then decreased, reaching maximum 72.28 MPa an 9%. experimental group exhibited flexural strengths than those demonstrating better properties. results this study provide important theoretical basis data support optimal application AAMs. expansion agents have great potential low-carbon buildings durable materials. Further research their adaptability complex environments will promote development engineering innovative green buildings.

Язык: Английский

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Exploring the effects of cementitious capillary crystalline waterproof material on the properties of cement with/without mineral admixture: A comparison of rheology, hydration process, and self-healing behavior

Construction and Building Materials, Год журнала: 2025, Номер 470, С. 140546 - 140546

Опубликована: Март 3, 2025

Язык: Английский

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Dynamic characteristics and microscopic mechanism of graphene oxide modified coastal soft soil under small strain

Construction and Building Materials, Год журнала: 2024, Номер 448, С. 138257 - 138257

Опубликована: Сен. 9, 2024

Язык: Английский

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Effect of further water curing on properties of carbonated reactive magnesia cement

Journal of Building Engineering, Год журнала: 2024, Номер unknown, С. 111700 - 111700

Опубликована: Дек. 1, 2024

Язык: Английский

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