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3D 콘크리트 프린팅용 복합재료의 적층성능평가에 관한 연구
최명성 ( Choi Myoung-sung ),이건우 ( Lee Keon-woo ) 한국구조물진단유지관리공학회 2020 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.24 No.1
이 연구는 3D 콘크리트 프린팅용 복합재료의 적층성능평가를 위한 연구로서 모르타르의 틱소트로피 거동 및 적층 실험을 통해 적층성능을 평가할 수 있는 틱소트로피 기준 및 관계식을 도출하는데 있다.
모르타르용 표준물질(Standard Reference Materials) 개발을 위한 배합설계별 유동특성 분석
최명성 ( Choi Myoung-sung ),이동규 ( Lee Dong-kyu ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.1
In this study, the tendency of flow characteristics according to the mixing design of mortar and mortar standard reference materials was analyzed based on the constituents of the standard reference materials for mortar. As a result, the plastic viscosity of the mortar tends to be maintained according to the amount of fine aggregate, while the yield value tends to increase greatly. On the other hand, in the case of the standard reference materials for mortar, the plastic viscosity tends to increase largely according to the amount of fine aggregate substitutes, while the yield value tends to be almost maintained.
최명성 ( Choi Myoung Sung ),이동규 ( Lee Dong Gyu ),이건우 ( Lee Keon Woo ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
The purpose of this study is to understand the rheological characteristics analysis method for the development of reference materials for cement paste considering the required performance of standard materials including particles.
3D 프린팅용 복합재료 개발을 위한 시멘트 페이스트 유동특성 분석
최명성 ( Choi Myoung-sung ),이건우 ( Lee Keon-woo ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.1
This study is a basic research for the development of composite materials for 3D printing and evaluated the rheological properties according to the blending design of the constituent materials. As a result, as the W/B ratio becomes smaller, the plastic viscosity value and the yield value tend to increase. Next, the plasticity and flow characteristics were differently derived depending on the binders used, and all the binders were considered to have more influence on the yield value than the plastic viscosity value.