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http://dx.doi.org/10.4334/JKCI.2006.18.6.769

The Experimental Study on the Heat Hydration Properties of Concrete According to Binder Conditions  

Choi, Sung-Woo (Eugene Institute of Technology)
Jo, Hyun-Tae (Eugene Institute of Technology)
Ryu, Deuk-Hyun (Eugene Institute of Technology)
Publication Information
Journal of the Korea Concrete Institute / v.18, no.6, 2006 , pp. 769-776 More about this Journal
Abstract
Recently, owing to the development of industry and the improvement of building techniques, concrete structures are becoming larger and higher. In hardening of these large connote structures, the heat of hydration gives rise to considerable thermal stress depending on the size and environmental condition of concrete, which might cause thermal cracking. Especially, the crack may cause severe damage to the safety and the durability of concrete structure. This study investigates the thermal properties of concrete according to several binder conditions, such as OPC, Belite rich cement(BRC), slag cement(SC), blast furnace slag(B) added cement fly ash(F) added cement and blast-furnace-slag and fly ash added cement. As a result of this study, the properly of concrete is most better BRC than others, and fly ash(25%) added cement and BFS(35%)-fly ash(15%) added cement gets superior effect in the control of heat hydration. But synthetically considered properties of concrete, workablity, strength heat hydration, etc, it is more effective to use mineral admixture. Especially, to be used Blast Furnace slag is more effective.
Keywords
belite rich cement; blast furnace slag cement; fly ash; blast furnace slag powder; heat of hydration;
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