Combining Reactivity Test, Isothermal Calorimetry, and Compressive Strength Measurements to Study Conventional and Alternative Supplementary Cementitious Materials

Sivakumar Ramanathan; Prannoy Suraneni; Ying Wang; Hongyou Shan; Amir Hajibabaee; Jason Weiss

doi:10.1007/978-3-030-22034-1_50

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Combining Reactivity Test, Isothermal Calorimetry, and Compressive Strength Measurements to Study Conventional and Alternative Supplementary Cementitious Materials

Sivakumar Ramanathan, Prannoy Suraneni, Ying Wang, Hongyou Shan, Amir Hajibabaee and Jason Weiss

Proceedings of the International Conference of Sustainable Production and Use of Cement and Concrete, pp.445-454

RILEM Bookseries, Springer International Publishing

2019-06-22

DOI: https://doi.org/10.1007/978-3-030-22034-1_50

Abstract

Reactivity testing

Isothermal calorimetry

Supplementary cementitious materials

In this study, we show the results of reactivity testing for a large variety of supplementary cementitious materials (SCMs) and fillers. The reactivity test is performed by measuring the heat release (using isothermal calorimetry) and calcium hydroxide consumption (using thermogravimetric analysis) of SCMs mixed with calcium hydroxide (3:1 ratio of calcium hydroxide and SCM) at 50 °C in a 0.5 M KOH environment. Based on the response in the test, SCMs may be classified into inert, pozzolanic, and latent hydraulic; the pozzolanic and latent hydraulic materials may be further classified into less reactive and more reactive materials. Reactivity test results are compared with isothermal calorimetry and compressive strength measurements on cementitious pastes made with a subset of SCMs. Good correlations are obtained between isothermal calorimetry and compressive strength. Clear correlations between reactivity test results and compressive strength were not seen.

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Title: Combining Reactivity Test, Isothermal Calorimetry, and Compressive Strength Measurements to Study Conventional and Alternative Supplementary Cementitious Materials
Creators: Sivakumar Ramanathan - Department of Civil, Architectural, and Environmental Engineering, University of Miami, Coral Gables, USA
Prannoy Suraneni - Department of Civil, Architectural, and Environmental Engineering, University of Miami, Coral Gables, USA
Ying Wang - Department of Civil, Architectural, and Environmental Engineering, University of Miami, Coral Gables, USA
Hongyou Shan - Department of Civil, Architectural, and Environmental Engineering, University of Miami, Coral Gables, USA
Amir Hajibabaee - Ozinga Ready Mix Concrete Inc, Chicago, USA
Jason Weiss - School of Civil and Construction Engineering, Oregon State University, Corvallis, USA
Publication Details: Proceedings of the International Conference of Sustainable Production and Use of Cement and Concrete, pp.445-454
Series: RILEM Bookseries
Publisher: Springer International Publishing; Cham
ISSN: 2211-0852
Academic Unit: College of Engineering; CoE - Civil Arch & Env Engineering
Language: English
Resource Type: Book chapter
Record Identifier: 991031598085502976