Journal
MATERIALS
Volume 14, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/ma14133542
Keywords
column; cyclic behavior; ductility; energy dissipation; ECC
Categories
Funding
- National Research Foundation of Korea (NRF) - Ministry of Science and ICT [NRF-2020R1A2C1101465]
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This study investigated the effects of replacing concrete with ECC on the cyclic behavior of RC columns, showing that ECC columns exhibit higher cyclic behavior, especially in terms of energy dissipation capacity when the length is 3.6d or more.
This paper presents an experimental investigation on the effects of the replacement length of concrete with engineered cementitious composites (ECC) on the cyclic behavior of a reinforced concrete (RC) column. A conventional RC column specimen and two RC composite columns designed with ECC were fabricated. To investigate the cyclic behavior of each specimen, a series of cyclic loading tests was performed under a reversed cyclic loading condition with a constant axial load. Test results showed that ECC columns exhibited higher cyclic behavior in terms of load carrying capacity, ductility, and energy dissipation capacity compared to the RC column. It was also found that when applying ECC to the column specimen with a length of 3.6d or more, the energy dissipation capacity was greatly increased.
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