단면형과 적층각의 변화에 따른 CFS보강 콘크리트 공시체의 압축거동

The repairing technique of surface wrapping concrete structural members using fiber composite sheet have been widely used. The research efforts have been limited to studying relative strength increase of repaired concrete structure rather than ductility improvement based of composite material effect and the interface effect between composite and concrete. The compression tests of CFS(carbon fiber sheet) reinforced concrete specimens with various cross-sectional shapes and laminate angles have been performed. FEM algorithm considering various parameters will be performed based on the obtained data. The results will be discussed in detail.