Recently, new cities of Korean coastal area, connective land·bridge and marine structure are increased. However, actually the evaluation method of pile head strengthening performance is not clearly defined, and, in spite of many technology proposed, its qualitative evaluation is not made. Therefore, the fact is that the prefabricated pile head strengthening stability is not verified.
Therefore, it’s necessary to evaluate various technologies strategically and verify safety of precast file’s cap.

• 전상표(강원대학교 토목건설공학과) | Jeon, Sang pyo
• 김용재(한양대학교 건설환경공학과 BK Post Doc) | Kim, Yong jae
• 남문석(한국도로공사 도로교통연구원) | Nam, Moon seok
• 박용석(한국도로공사 도로교통연구원) | Park, Yong seok
• 박철우(강원대학교 토목공학과) | Park, Cheolwoo 교신저자