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J. Ocean Eng. Technol. > Volume 25(1); 2011 > Article
J. Ocean Eng. Technol. 2011;25(1):73-79.
DOI: https://doi.org/10.5574/KSOE.2011.25.1.073   
A Study of the Basic Properties of Lightweight Aggregate Concrete for Offshore Structures Application
Kim Myung-Sik,Jang Hee-Suk,Kim Chung-Ho,Baek Dong-Il
Department of Civil Engineering Pukyong National University,Department of Civil Engineering Pukyong National University,Department of Civil and Environmental Engineering Kyungsung University,Department of Civil Engineering Pukyong National University
해양구조물 적용을 위한 경량골재콘크리트의 기초물성에 관한 연구
부경대학교 토목공학과,부경대학교 토목공학과,경성대학교 건설환경공학부,부경대학교 토목공학과
Key Words: Artificial light-weight aggregate, Light-weight aggregate concrete, Compressive strength, Splitting tensile strength, Modulus of elasticity
핵심용어: 인공경량골재, 경량골재콘크리트, 압축강도, 쪼갬인장강도, 탄성계수
The various properties of concrete have been required, as civil engineering structures are getting larger and complicated. Therefore, the high performance of concrete, such as high strength, high fluidity, and low hydration heat, has been investigated largely. In this study, the properties of lightweight concrete-reducing self-weight of structure member have been studied in order to check the applicability of lightweight aggregate concrete to structural material. The experiments on compressive strength, splitting tensile strength, unit weight, and modulus of elasticity have been conducted with varying PLC, LWCI, LWCII, LWCII-SF5, LWCII-SF15 to check the basic properties. The compressive strength of 21MPa was obtained easily by using lightweight aggregate concrete and the addition of silica fume to increase the compressive strength slightly. To use lightweight aggregate concrete for civil engineering structures, systematic and rigorous studies are necessary.


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