| Title |
An Experimental Study on Temperature Characteristics of Steam-Cured High-strength Mass Concrete |
| Authors |
Kim Sung-Jin ; Park Heung-Lee ; Paik Min-Su ; Lee Hoi-Keun ; Park Byung-Keun ; Jung Sang-Jin |
| Keywords |
High-strength Concrete ; Heat of Hydration ; High Temperature History ; Steam Curing |
| Abstract |
As architectures have recently become high-risers and megastructured, stable high strength products have been ensured. Accordingly, use of precast concrete accouplement has been increased in order to facilitate air compression and rationalize construction. Since not only external heating but also internal temperature rise caused by the accumulation of cement hydration heat in manufacturing process, precast concrete members with large cross-section used for high-rise mega-structure's columns and beams may exhibit different temperature history compared to the precast concrete members for wall and sub-floor with relatively small cross-sections. Therefore, this study aims to elucidate the characteristics of temperature history of mass concrete members cast with high-strength concrete for precast concrete application. In this study, large cross-sectional precast concrete mock-up, unit cement quantity, and temperature histories in manufacturing precast concrete member under different curing condition were inclusively investigated. |