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Materials 2014, 7(12), 7861-7874; doi:10.3390/ma7127861

The Effect of Specimen Size on the Results of Concrete Adiabatic Temperature Rise Test with Commercially Available Equipment

1
Research & Development Center, JNTINC Co. Ltd., Hwaseong 445-842, Korea
2
Department of Civil Engineering, Chungnam National University, Daejeon 305-764, Korea
*
Author to whom correspondence should be addressed.
Received: 30 July 2014 / Revised: 5 November 2014 / Accepted: 27 November 2014 / Published: 8 December 2014
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Abstract

In this study, adiabatic temperature rise tests depending on binder type and adiabatic specimen volume were performed, and the maximum adiabatic temperature rises and the reaction factors for each mix proportion were analyzed and suggested. The results indicated that the early strength low heat blended cement mixture had the lowest maximum adiabatic temperature rise (Q) and the ternary blended cement mixture had the lowest reaction factor (r). Also, Q and r varied depending on the adiabatic specimen volume even when the tests were conducted with a calorimeter, which satisfies the recommendations for adiabatic conditions. Test results show a correlation: the measurements from the 50 L specimens were consistently higher than those from the 6 L specimens. However, the Q and r values of the 30 L specimen were similar to those of the 50 L specimen. Based on the above correlation, the adiabatic temperature rise of the 50 L specimen could be predicted using the results of the 6 L and 30 L specimens. Therefore, it is thought that this correlation can be used for on-site concrete quality control and basic research. View Full-Text
Keywords: heat of hydration; adiabatic temperature rise test; specimen size; low heat Portland cement; ternary blended cement; early strength low heat blended cement heat of hydration; adiabatic temperature rise test; specimen size; low heat Portland cement; ternary blended cement; early strength low heat blended cement
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lee, B.J.; Bang, J.W.; Shin, K.J.; Kim, Y.Y. The Effect of Specimen Size on the Results of Concrete Adiabatic Temperature Rise Test with Commercially Available Equipment. Materials 2014, 7, 7861-7874.

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