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Title: A modified ASTM C1012 procedure for qualifying blended cements containing limestone and SCMs for use in sulfate-rich environments

Abstract

Blended Portland cements containing up to 15% limestone have recently been introduced into Canada and the USA. These cements were initially not allowed for use in sulfate environments but this restriction has been lifted in the Canadian cement specification, provided that the “limestone cement” includes sufficient SCM and that it passes a modified version of the CSA A3004-C8 (equivalent to ASTM C1012) test procedure run at a low temperature (5 °C). This new procedure is proposed as a means of predicting the risk of the thaumasite form of sulfate attack in concretes containing limestone cements. The goal of the present study was to better understand how this approach works both in practice and in theory. Results from three different laboratories utilizing the CSA A3004-C8 test procedure are compared and analyzed, while also taking into account the results of thermodynamic modeling and of thaumasite formation experiments conducted in dilute suspensions.

Authors:
 [1];  [2]; ;  [3];  [4];  [5];  [4];  [5];  [3];  [1];  [6];  [7]
  1. Lafarge Canada Inc., 334 Avro, Pointe Claire, QC H9R 5W5 (Canada)
  2. (France)
  3. Lafarge Centre de Recherche, 95 rue du Montmurier, 38291 St Quentin Fallavier (France)
  4. University of New Brunswick, Fredericton, New Brunswick E3B 5A3 (Canada)
  5. University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4 (Canada)
  6. (United States)
  7. Lafarge North-America, 12018 Sunrise Valley Drive, Suite 500, Reston, VA 20191 (United States)
Publication Date:
OSTI Identifier:
22395920
Resource Type:
Journal Article
Journal Name:
Cement and Concrete Research
Additional Journal Information:
Journal Volume: 63; Other Information: Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0008-8846
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; AMINO ACIDS; HARDNESS; LIMESTONE; PORTLAND CEMENT; SIMULATION; SULFATES; WEAR RESISTANCE

Citation Formats

Barcelo, Laurent, E-mail: laurent.barcelo@lafarge.com, Lafarge Centre de Recherche, 95 rue du Montmurier, 38291 St Quentin Fallavier, Gartner, Ellis, Barbarulo, Rémi, Hossack, Ashlee, Ahani, Reza, Thomas, Michael, Hooton, Doug, Brouard, Eric, Delagrave, Anik, Lafarge North-America, 12018 Sunrise Valley Drive, Suite 500, Reston, VA 20191, and Blair, Bruce. A modified ASTM C1012 procedure for qualifying blended cements containing limestone and SCMs for use in sulfate-rich environments. United States: N. p., 2014. Web. doi:10.1016/J.CEMCONRES.2014.05.007.
Barcelo, Laurent, E-mail: laurent.barcelo@lafarge.com, Lafarge Centre de Recherche, 95 rue du Montmurier, 38291 St Quentin Fallavier, Gartner, Ellis, Barbarulo, Rémi, Hossack, Ashlee, Ahani, Reza, Thomas, Michael, Hooton, Doug, Brouard, Eric, Delagrave, Anik, Lafarge North-America, 12018 Sunrise Valley Drive, Suite 500, Reston, VA 20191, & Blair, Bruce. A modified ASTM C1012 procedure for qualifying blended cements containing limestone and SCMs for use in sulfate-rich environments. United States. doi:10.1016/J.CEMCONRES.2014.05.007.
Barcelo, Laurent, E-mail: laurent.barcelo@lafarge.com, Lafarge Centre de Recherche, 95 rue du Montmurier, 38291 St Quentin Fallavier, Gartner, Ellis, Barbarulo, Rémi, Hossack, Ashlee, Ahani, Reza, Thomas, Michael, Hooton, Doug, Brouard, Eric, Delagrave, Anik, Lafarge North-America, 12018 Sunrise Valley Drive, Suite 500, Reston, VA 20191, and Blair, Bruce. Mon . "A modified ASTM C1012 procedure for qualifying blended cements containing limestone and SCMs for use in sulfate-rich environments". United States. doi:10.1016/J.CEMCONRES.2014.05.007.
@article{osti_22395920,
title = {A modified ASTM C1012 procedure for qualifying blended cements containing limestone and SCMs for use in sulfate-rich environments},
author = {Barcelo, Laurent, E-mail: laurent.barcelo@lafarge.com and Lafarge Centre de Recherche, 95 rue du Montmurier, 38291 St Quentin Fallavier and Gartner, Ellis and Barbarulo, Rémi and Hossack, Ashlee and Ahani, Reza and Thomas, Michael and Hooton, Doug and Brouard, Eric and Delagrave, Anik and Lafarge North-America, 12018 Sunrise Valley Drive, Suite 500, Reston, VA 20191 and Blair, Bruce},
abstractNote = {Blended Portland cements containing up to 15% limestone have recently been introduced into Canada and the USA. These cements were initially not allowed for use in sulfate environments but this restriction has been lifted in the Canadian cement specification, provided that the “limestone cement” includes sufficient SCM and that it passes a modified version of the CSA A3004-C8 (equivalent to ASTM C1012) test procedure run at a low temperature (5 °C). This new procedure is proposed as a means of predicting the risk of the thaumasite form of sulfate attack in concretes containing limestone cements. The goal of the present study was to better understand how this approach works both in practice and in theory. Results from three different laboratories utilizing the CSA A3004-C8 test procedure are compared and analyzed, while also taking into account the results of thermodynamic modeling and of thaumasite formation experiments conducted in dilute suspensions.},
doi = {10.1016/J.CEMCONRES.2014.05.007},
journal = {Cement and Concrete Research},
issn = {0008-8846},
number = ,
volume = 63,
place = {United States},
year = {2014},
month = {9}
}