Effects of the Replacement Length of Concrete with ECC on the Cyclic Behavior of Reinforced Concrete Columns

被引：6

作者：

Hyun, Jung-Hwan ^{[1
]}

Bang, Jin-Wook ^{[2
]}

Lee, Bang-Yeon ^{[3
]}

Kim, Yun-Yong ^{[4
]}

机构：

[1] Ssangyong Engn & Construct Co Ltd, Civil Engn Team, 299 Olymp Ro, Seoul 05510, South Korea

[2] Tongyang Construct Mat Co Ltd, R&D Ctr, 2822 Gimpo Daero, Gimpo 10024, South Korea

[3] Chonnam Natl Univ, Sch Architecture, 77 Yongbong Ro, Gwangju 61186, South Korea

[4] Chungnam Natl Univ, Dept Civil Engn, 99 Daehak Ro, Daejeon 34134, South Korea

来源：

MATERIALS | 2021年 / 14卷 / 13期

基金：

新加坡国家研究基金会;

关键词：

column; cyclic behavior; ductility; energy dissipation; ECC; DEFORMATION-BEHAVIOR; MATRIX DUCTILITY; STEADY-STATE; CRACKING; MEMBERS;

D O I：

10.3390/ma14133542

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页数：12

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