|
Title |
The Experimental Study on the Heat Hydration Properties of Concrete According to Binder Conditions
|
|
Keywords |
belite rich cement ; blast furnace slag cement ; fly ash ; blast furnace slag powder ; heat of hydration |
|
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 concrete structures, the heat of 효ration 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 investigated 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 blase-furnace-slag and fly ash added cement. As a result of this study, the property 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, workability, strength, heat hydration, etc, it is more effective to use mineral admixture. Especially, to be used Blast Furnace slag is more effective.
|