It is known that all of structures be old enough not to use as time elapses, and the degree of deterioration depends on the environmental conditions and maintenance activity. Specific repair for deteriorated structures should be applied and the performances are greatly affected by materials used and location of members allocated. This study is to evaluate the enhancement of steel pipe pile in terms of performance when they are reinforced by carbon-fiber composite for underwater.

• 김상철(한서대학교 토목공학과 교수) | Kim, Sang-Chel
• 조인행(콘크리닉 전무이사) | Cho, In-Haeng