In this study, the setting times of mortar using the biopolymer in seaweed was evaluated by penetration resistance. The evaluation was based on the method presented in KS F 2436. Test results show that the biopolymer was used instead of the synthetic polymer, the termination time was delayed.

Abstract
 1. 서 론
 2. 사용재료 및 실험방법
 2.1 사용재료
 2,2 실험방법
 3. 실험결과 및 고찰
 4. 결 론

• 전재영(충남대학교 토목공학과) | Chun Jae Young
• 권기성(충남대학교 토목공학과) | Kwon Ki Seong
• 현정환(충남대학교 건설방재연구소) | Hyun Jung Hwan
• 이선목(㈜정우소재 기술연구소) | Lee Sun Mok
• 김윤용(충남대학교 토목공학과) | Kim Yun Yong 교신저자