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Reactivity tests for supplementary cementitious materials: RILEM TC 267-TRM phase 1 : an attempt to propose the measureLi, Xuerun ...A primary aim of RILEM TC 267-TRM: %Tests for Reactivity of Supplementary Cementitious Materials (SCMs)" is to compare and evaluate the performance of conventional and novel SCM reactivity test ... methods across a wide range of SCMs. To this purpose, a round robin campaign was organized to investigate 10 different tests for reactivity and 11 SCMs covering the main classes of materials in use, such as granulated blast furnace slag, fly ash, natural pozzolan and calcined clays. The methods were evaluated based on the correlation to the 28 days relative compressive strength of standard mortar bars containing 30% of SCM as cement replacement and the interlaboratory reproducibility of the test results. It was found that only a few test methods showed acceptable correlation to the 28 days relative strength over the whole range of SCMs. The methods that showed the best reproducibility and gave good correlations used the R3 model system of the SCM and Ca(OH)2, supplemented with alkali sulfate/carbonate. The use of this simplified model system isolates the reaction of the SCM and the reactivity can be easily quantified from the heat release or bound water content. Later age (90 days) strength results also correlated well with the results of the IS 1727 (Indian standard) reactivity test, an accelerated strength test using an SCM/Ca(OH)2-based model system. The current standardized tests did not show acceptable correlations across all SCMs, although they performed better when latently hydraulic materials (blast furnace slag) were excluded. However, the Frattini test, Chapelle and modified Chapelle test showed poor interlaboratory reproducibility, demonstrating experimental difficulties. The TC 267-TRM will pursue the development of test protocols based on the R3 model systems. Acceleration and improvement of the reproducibility of the IS 1727 test will be attempted as well.Source: Materials and structures = Matériaux et constructions. - ISSN 1359-5997 (Vol. 51, issue 6, Dec. 2018, str. 1-14)Type of material - article, component part ; adult, seriousPublish date - 2018Language - englishCOBISS.SI-ID - 2407271
Author
Li, Xuerun |
Snellings, Ruben |
Antoni, Mathieu |
Alderete, Natalia Mariel |
Haha, Mohsen Ben |
Bishnoi, Shashank |
Cizer, Özlem |
Cyr, Martin |
De Weerdt, Klaartje |
Dhandapani, Yuvaraj |
Duchesne, Josée |
Haufe, Johannes |
Hooton, Doug |
Juenger, Maria |
Kamali-Bernard, Siham |
Dolenec, Sabina |
Marroccoli, Milena |
Joseph, Aneeta Mary |
Parashar, Anuj |
Patapy, Cedric |
Provis, John L. |
Sabio, Sergio |
Santhanam, Manu |
Steger, Laurent |
Tongbo, Sui |
Telesca, Antonio |
Vollpracht, Anya |
Vargas, Felipe |
Walkley, Brant |
Winnefeld, Frank |
Ye, Guang |
Zajac, Maciej |
Zhang, Shizhe |
Scrivener, Karen
Topics
mineralni dodatki |
reaktivnost |
pucolani |
supplementary cementitious materials |
reactivity |
pozzolana
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Li, Xuerun | |
Snellings, Ruben | |
Antoni, Mathieu | |
Alderete, Natalia Mariel | |
Haha, Mohsen Ben | |
Bishnoi, Shashank | |
Cizer, Özlem | |
Cyr, Martin | |
De Weerdt, Klaartje | |
Dhandapani, Yuvaraj | |
Duchesne, Josée | |
Haufe, Johannes | |
Hooton, Doug | |
Juenger, Maria | |
Kamali-Bernard, Siham | |
Dolenec, Sabina | 27655 |
Marroccoli, Milena | |
Joseph, Aneeta Mary | |
Parashar, Anuj | |
Patapy, Cedric | |
Provis, John L. | |
Sabio, Sergio | |
Santhanam, Manu | |
Steger, Laurent | |
Tongbo, Sui | |
Telesca, Antonio | |
Vollpracht, Anya | |
Vargas, Felipe | |
Walkley, Brant | |
Winnefeld, Frank | |
Ye, Guang | |
Zajac, Maciej | |
Zhang, Shizhe | |
Scrivener, Karen |
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