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Review on development of external steel-confined concrete

Chin, Chee Loong and Ma, Chau Khun and Tan, Jia Yang and Ong, Chin Boon and Awang, Abdullah Zawawi and Omar, Wahid (2019) Review on development of external steel-confined concrete. Construction and Building Materials, 211 . ISSN 0950-0618

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Official URL: http://dx.doi.org/10.1016/j.conbuildmat.2019.03.29...


Steel is a cheaper and more environmentally friendly alternative to externally confine concrete compared to the commonly known fiber-reinforced polymer (FRP). Numerous studies have been conducted both experimentally and analytically to understand the compressive behaviour of external steel-confined concrete. This paper presents an overview of four external steel-based confinement techniques for concrete followed up by review on existing closed-form expressions and finite element analysis models for external steel-confined concrete. It is shown that the four techniques can be generalised based on the strengthening mechanisms involved. Through this review, it is shown that effect of pre-load and pre-tension have not been taken into account by most previous research. Additionally, the parameters calibration for existing finite element analysis models were based on FRP-confined concrete experimental data only. The needs for future experimental investigation and analytical work for external steel-confined concrete are presented in the last part of this paper.

Item Type:Article
Uncontrolled Keywords:confinement technique, external confinement, steel, steel-confined concrete
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:89508
Deposited By: Yanti Mohd Shah
Deposited On:22 Feb 2021 14:08
Last Modified:22 Feb 2021 14:08

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