This paper examined the axial behavior of full-scale section enlargement strengthening columns with different supplementary ties in the jacket section. The supplementary V-ties were effective in enhancing the confinement of core concrete and preventing the premature buckling of longitudinal reinforcement.

Abstract
 1. 서 론
 2. 중심축하중 실험
 3. 실험 결과
 4. 결 론
 참고문헌

• 황용하(경기대학교 건축공학과) | Hwang Yong Ha
• 양근혁(경기대학교 건축공학과) | Yang Keun Hyeok 교신저자