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Mechanical properties and adiabatic temperature rise of low heat concrete using ternary blended cement
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  • Journal title : Computers and Concrete
  • Volume 17, Issue 2,  2016, pp.271-280
  • Publisher : Techno-Press
  • DOI : 10.12989/cac.2016.17.2.271
 Title & Authors
Mechanical properties and adiabatic temperature rise of low heat concrete using ternary blended cement
Kim, Si-Jun; Yang, Keun-Hyeok; Lee, Kyung-Ho; Yi, Seong-Tae;
 Abstract
This study examined the mechanical properties and adiabatic temperature rise of low-heat concrete developed based on ternary blended cement using ASTM type IV (LHC) cement, ground fly ash (GFA) and limestone powder (LSP). To enhance reactivity of fly ash, especially at an early age, the grassy membrane was scratched through the additional vibrator milling process. The targeted 28-day strength of concrete was selected to be 42 MPa for application to high-strength mass concrete including nuclear plant structures. The concrete mixes prepared were cured under the isothermal conditions of , , and . Most concrete specimens gained a relatively high strength exceeding 10 MPa at an early age, achieving the targeted 28-day strength. All concrete specimens had higher moduli of elasticity and rupture than the predictions using ACI 318-11 equations, regardless of the curing temperature. The peak temperature rise and the ascending rate of the adiabatic temperature curve measured from the prepared concrete mixes were lower by 12% and 32%, respectively, in average than those of the control specimen made using 80% ordinary Portland cement and 20% conventional fly ash.
 Keywords
mass concrete;ternary blended concrete;mechanical properties;adiabatic temperature rise;
 Language
English
 Cited by
1.
Evaluation on the durability of low heat concrete using ternary blended cement, Computers and Concrete, 2016, 18, 4, 527  crossref(new windwow)
2.
Influence of Fly Ash and Its Partial Replacement by Slag on the Leaching Behavior of Blended Cement Pastes, Journal of Materials in Civil Engineering, 2017, 29, 10, 04017187  crossref(new windwow)
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