철근콘크리트 박스구조물의 시공변수에 따른 수화온도 및 열응력 특성 비교 연구

Parametric Studies on the Temperature and Thermal Stresses According to Construction Condition of RC Box Structures

Recently, the underground reinforced concrete(RC) box structures have been increasingly built in Korea. In such structures, the heat of hydration may cause serious cracking problems. The RC box structures are classified in this category that needs much attention to control the hydration heat during construction. The purpose of the present study is to analyse the parameters which are related to the thermal crackings of the box structures. In this study, the quantitative studies of thermal stresses according to construction conditions in the RC box structures are thoroughly analysed. Major influencing variables are studied through the finite element analysis which affect the thermal cracking of RC box structures.