This paper studied the efficiency of retrofitting of reinforced concrete structure which was not designed to endure an earthquake. The earthquake in Kobe, Japan showed that there was a great possibility of having an earthquake even in big city and the damages were concentrated on mid or low story buildings which were not considered to be protected from an earthquake. This experiment used reinforced concrete structure which restrained side-by-side displacement-to test durability against an earthquake. This study deals with the structural performance of reinforced concrete frame structures strengthened with steel materials.

• 정란(단국대학교 건축공학과 교수, 단국대학교 내진/리모델링연구소 소장) | Chung, Lan 책임저자
• 박태원(단국대학교 건축공학과 박사과정) | Park, Tae-Won