Report of RILEM TC 267-TRM phase 2: Optimization and testing of the robustness of the R3 reactivity tests for supplementary cementitious materials

François Avet; Xuerun Li; Mohsen Ben Haha; Susan A. Bernal; Shashank Bishnoi; Özlem Cizer; Martin Cyr; Guang Ye; Shizhe Zhang; null More Authors

doi:10.1617/s11527-022-01928-6

Report of RILEM TC 267-TRM phase 2: Optimization and testing of the robustness of the R3 reactivity tests for supplementary cementitious materials

François Avet^*, Xuerun Li, Mohsen Ben Haha, Susan A. Bernal, Shashank Bishnoi, Özlem Cizer, Martin Cyr, Guang Ye, Shizhe Zhang, More Authors

^*Corresponding author for this work

Materials and Environment

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Abstract

The results of phase 1 of an interlaboratory test, coordinated by the RILEM TC 267-TRM “Tests for Reactivity of Supplementary Cementitious Materials” showed that the R³ (rapid, relevant, reliable) test method, by measurement of heat release or bound water, provided the most reliable and relevant determination of the chemical reactivity of supplementary cementitious materials (SCMs), compared to other test methods. The phase 2 work, described in this paper aimed to improve the robustness of the test procedure and to develop precision statements for the consolidated test procedure. The effect of the pre-mixing and mixing conditions, and the impact of the mix design on the test method robustness were assessed and fixed for optimal conditions to carry out the R³ heat release test. The effect of the drying step was evaluated to define the R³ bound water test procedure in more detail. Finally, the robustness of the consolidated final test methods was determined by an interlaboratory study to define the precision statements.

Original language	English
Article number	92
Number of pages	14
Journal	Materials and Structures/Materiaux et Constructions
Volume	55
Issue number	3
DOIs	https://doi.org/10.1617/s11527-022-01928-6
Publication status	Published - 2022

Keywords

Bound water
Heat release
Reactivity test
Robustness study
Supplementary cementitious materials

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10.1617/s11527-022-01928-6

Avet2022_Article_ReportOfRILEMTC267-TRMPhase2OpFinal published version, 1.07 MBLicence: CC BY

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Avet, F., Li, X., Ben Haha, M., Bernal, S. A., Bishnoi, S., Cizer, Ö., Cyr, M., Ye, G., Zhang, S., & More Authors (2022). Report of RILEM TC 267-TRM phase 2: Optimization and testing of the robustness of the R3 reactivity tests for supplementary cementitious materials. Materials and Structures/Materiaux et Constructions, 55(3), Article 92. https://doi.org/10.1617/s11527-022-01928-6

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abstract = "The results of phase 1 of an interlaboratory test, coordinated by the RILEM TC 267-TRM “Tests for Reactivity of Supplementary Cementitious Materials” showed that the R3 (rapid, relevant, reliable) test method, by measurement of heat release or bound water, provided the most reliable and relevant determination of the chemical reactivity of supplementary cementitious materials (SCMs), compared to other test methods. The phase 2 work, described in this paper aimed to improve the robustness of the test procedure and to develop precision statements for the consolidated test procedure. The effect of the pre-mixing and mixing conditions, and the impact of the mix design on the test method robustness were assessed and fixed for optimal conditions to carry out the R3 heat release test. The effect of the drying step was evaluated to define the R3 bound water test procedure in more detail. Finally, the robustness of the consolidated final test methods was determined by an interlaboratory study to define the precision statements.",

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Avet, F, Li, X, Ben Haha, M, Bernal, SA, Bishnoi, S, Cizer, Ö, Cyr, M, Ye, G , Zhang, S & More Authors 2022, 'Report of RILEM TC 267-TRM phase 2: Optimization and testing of the robustness of the R3 reactivity tests for supplementary cementitious materials', Materials and Structures/Materiaux et Constructions, vol. 55, no. 3, 92. https://doi.org/10.1617/s11527-022-01928-6

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AU - Li, Xuerun

AU - Ben Haha, Mohsen

AU - Bernal, Susan A.

AU - Bishnoi, Shashank

AU - Cizer, Özlem

AU - Cyr, Martin

AU - Ye, Guang

AU - Zhang, Shizhe

AU - More Authors, null

PY - 2022

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N2 - The results of phase 1 of an interlaboratory test, coordinated by the RILEM TC 267-TRM “Tests for Reactivity of Supplementary Cementitious Materials” showed that the R3 (rapid, relevant, reliable) test method, by measurement of heat release or bound water, provided the most reliable and relevant determination of the chemical reactivity of supplementary cementitious materials (SCMs), compared to other test methods. The phase 2 work, described in this paper aimed to improve the robustness of the test procedure and to develop precision statements for the consolidated test procedure. The effect of the pre-mixing and mixing conditions, and the impact of the mix design on the test method robustness were assessed and fixed for optimal conditions to carry out the R3 heat release test. The effect of the drying step was evaluated to define the R3 bound water test procedure in more detail. Finally, the robustness of the consolidated final test methods was determined by an interlaboratory study to define the precision statements.

AB - The results of phase 1 of an interlaboratory test, coordinated by the RILEM TC 267-TRM “Tests for Reactivity of Supplementary Cementitious Materials” showed that the R3 (rapid, relevant, reliable) test method, by measurement of heat release or bound water, provided the most reliable and relevant determination of the chemical reactivity of supplementary cementitious materials (SCMs), compared to other test methods. The phase 2 work, described in this paper aimed to improve the robustness of the test procedure and to develop precision statements for the consolidated test procedure. The effect of the pre-mixing and mixing conditions, and the impact of the mix design on the test method robustness were assessed and fixed for optimal conditions to carry out the R3 heat release test. The effect of the drying step was evaluated to define the R3 bound water test procedure in more detail. Finally, the robustness of the consolidated final test methods was determined by an interlaboratory study to define the precision statements.

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KW - Reactivity test

KW - Robustness study

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ER -

Report of RILEM TC 267-TRM phase 2: Optimization and testing of the robustness of the R3 reactivity tests for supplementary cementitious materials

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