Review on development of external steel-confined concrete

被引：40

作者：

Chin, Chee-Loong ^{[1
]}

Ma, Chau-Khun ^{[1
,2
]}

Tan, Jia-Yang ^{[1
]}

Ong, Chin-Boon ^{[1
]}

Awang, Abdullah Zawawi ^{[1
]}

Omar, Wahid ^{[3
]}

机构：

[1] Univ Teknol Malaysia, Fac Engn, Sch Civil Engn, Skudai, Malaysia

[2] Univ Teknol Malaysia, Fac Engn, Inst Smart Infrastruct & Innovat Construct, Forens Engn Ctr,Sch Civil Engn, Skudai, Malaysia

[3] Univ Teknol Malaysia, Off Vice Chancellor, Skudai, Malaysia

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2019年 / 211卷

关键词：

Steel; External confinement; Confinement technique; Steel-confined concrete; Concrete strengthening; HIGH-STRENGTH CONCRETE; STRESS-STRAIN MODEL; COMPRESSIVE BEHAVIOR; CONSTITUTIVE MODEL; COMPOSITE COLUMNS; THEORETICAL-MODEL; METAL STRIPS; DESIGN; DUCTILITY; PART;

D O I：

10.1016/j.conbuildmat.2019.03.295

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

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 pretension 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. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页码：919 / 931

页数：13

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