Effect of GGBFS slag on CSA-based ternary binder hydration, and concrete performance

Debalina Ghosh; Zhongguo John Ma; Diana Hun

doi:10.1016/j.conbuildmat.2023.131554

Effect of GGBFS slag on CSA-based ternary binder hydration, and concrete performance

Debalina Ghosh, Zhongguo John Ma, Diana Hun

Building Envelope Materials Research

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Calcium sulfo-aluminate (CSA) cement is an alternative cement that can be beneficial for precast, rapid, and low-temperature concrete construction. But low workability and impractically short setting time of CSA cement, prevent its application in the construction industry. The use of Portland cement (OPC) and ground granulated blast furnace slag (GGBFS) in CSA-based composite binder can provide improved workability, and setting time while maintaining early strength and low carbon footprint. This article studies the hydration process in a composite binder with CSA, GGBFS and OPC to identify the controlling reaction and chemical parameters that can be used to predict the concrete performance during the fresh and hardened state. As SCMs and alternative binders are being used more in construction, the hydration process and compatibility assessment of binders need to have a scientific basis instead of a trial-and-error process.

Original language	English
Article number	131554
Journal	Construction and Building Materials
Volume	386
DOIs	https://doi.org/10.1016/j.conbuildmat.2023.131554
State	Published - Jul 10 2023

Funding

This work was funded by the US-China Clean Energy Research Center for Building Energy Efficiency (CERC BEE) under the Building Technologies Office (BTO) of the US Department of Energy (DOE), under Contract No. DE-AC05-00OR22725. The authors would also like to thank the Center for Material Processing, University of Tennessee Knoxville, for their support throughout this research. This work was funded by the US-China Clean Energy Research Center for Building Energy Efficiency (CERC BEE) under the Building Technologies Office (BTO) of the US Department of Energy (DOE), under Contract No. DE-AC05-00OR22725. The authors would also like to thank the Center for Material Processing, University of Tennessee Knoxville, for their support throughout this research.

Funders	Funder number
US-China Clean Energy Research Center for Building Energy Efficiency
U.S. Department of Energy	DE-AC05-00OR22725
Building Technologies Office
University of Tennessee, Knoxville
Canada Excellence Research Chairs, Government of Canada

Keywords

Alternative cement
Calcium sulfo-aluminate cement
Cement hydration
Ground granulated blast furnace slag

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.conbuildmat.2023.131554

Cite this

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title = "Effect of GGBFS slag on CSA-based ternary binder hydration, and concrete performance",

abstract = "Calcium sulfo-aluminate (CSA) cement is an alternative cement that can be beneficial for precast, rapid, and low-temperature concrete construction. But low workability and impractically short setting time of CSA cement, prevent its application in the construction industry. The use of Portland cement (OPC) and ground granulated blast furnace slag (GGBFS) in CSA-based composite binder can provide improved workability, and setting time while maintaining early strength and low carbon footprint. This article studies the hydration process in a composite binder with CSA, GGBFS and OPC to identify the controlling reaction and chemical parameters that can be used to predict the concrete performance during the fresh and hardened state. As SCMs and alternative binders are being used more in construction, the hydration process and compatibility assessment of binders need to have a scientific basis instead of a trial-and-error process.",

keywords = "Alternative cement, Calcium sulfo-aluminate cement, Cement hydration, Ground granulated blast furnace slag",

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AU - Ghosh, Debalina

AU - Ma, Zhongguo John

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Y1 - 2023/7/10

N2 - Calcium sulfo-aluminate (CSA) cement is an alternative cement that can be beneficial for precast, rapid, and low-temperature concrete construction. But low workability and impractically short setting time of CSA cement, prevent its application in the construction industry. The use of Portland cement (OPC) and ground granulated blast furnace slag (GGBFS) in CSA-based composite binder can provide improved workability, and setting time while maintaining early strength and low carbon footprint. This article studies the hydration process in a composite binder with CSA, GGBFS and OPC to identify the controlling reaction and chemical parameters that can be used to predict the concrete performance during the fresh and hardened state. As SCMs and alternative binders are being used more in construction, the hydration process and compatibility assessment of binders need to have a scientific basis instead of a trial-and-error process.

AB - Calcium sulfo-aluminate (CSA) cement is an alternative cement that can be beneficial for precast, rapid, and low-temperature concrete construction. But low workability and impractically short setting time of CSA cement, prevent its application in the construction industry. The use of Portland cement (OPC) and ground granulated blast furnace slag (GGBFS) in CSA-based composite binder can provide improved workability, and setting time while maintaining early strength and low carbon footprint. This article studies the hydration process in a composite binder with CSA, GGBFS and OPC to identify the controlling reaction and chemical parameters that can be used to predict the concrete performance during the fresh and hardened state. As SCMs and alternative binders are being used more in construction, the hydration process and compatibility assessment of binders need to have a scientific basis instead of a trial-and-error process.

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Effect of GGBFS slag on CSA-based ternary binder hydration, and concrete performance

Abstract

Funding

Keywords

UN SDGs

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