The demand for the performance of the pile as a basic reinforced structure is increasing due to the enlargement of the structure and the increase of the height. In this study, the reliability of the structural performance of the joints of the composite pile is predicted, as well as the ease of construction by minimizing the welding or bolt fastening, and excellent resistance to flexural load, The connector was considered.

Abstract
 1. 서 론
 2. 연결구의 필요성
 3. 말뚝파일의 수치해석
 3. 결 론
 참고문헌

• 이완훈(청운대학교 토목환경공학과) | Lee Wan Hoon
• 정흥진(전주대학교 토목환경공학과) | Chung Heung Jin