폭렬현상을 고려한 RC구조물의 PBD기반 구조내화설계 기술개발에 관한 연구(I) - 국내외 주요 건설사의 대응방안 -
A Study on the Structural Fire Resistance Performance Design of RC Structural according to the Explosive Spalling(I) - The Countermeasures of General Construction Company -
When reinforced concrete is subjected to high temperature as in fire, there is deterioration in its properties of particular importance are loss in compressive strength, cracking and spalling of concrete, destruction of the bond between the cement paste and the aggregates and the gradual deterioration of the hardend cement paste. Assessment of fire-damaged concrete usually starts with visual observation of color change, cracking and spalling of the surface. In this paper, it was reported the trends of research and practical use on the Explosive Spalling Properties of the High-Strength Concrete.