Traditional methods for demolition of concrete structures and rocks are jackhammer and explosives methods. However, these traditional methods may not adequate specially for urban areas and historical places. Accordingly, an use of soundless chemical demolition agent (SCDA) increases in those areas. SCDA is similar to portland cement and lime is a key ingredient. In this study, expansive pressure from the selected SCDA were measured using outer pipe measuring technique and crack length due to the SCDA were simulated using obtained test data.

• 이재하(한국해양대학교 건설공학과, 조교수, 공학박사) | Lee, Jaeha
• 구재현(한양이엠씨 관리부, 이사) | Koo, Jaehyun
• 김경진(한국해양대학교 토목환경공학과, 석사과정) | Kim, Kyeongjin 교신저자
• 김민성(한국해양대학교 건설공학과, 학부과정) | Kim, Minsung
• 하창식(한국해양대학교 건설공학과, 학부과정) | Ha, Changsik