Corrosion cracking behavior of reinforced concrete under freeze-thaw cycles

被引：39

作者：

Liu, Xiguang ^{[1
,2
]}

Yan, Ziwei ^{[2
]}

Wang, Dongjing ^{[3
]}

Zhao, Rong ^{[2
,4
]}

Niu, Ditao ^{[1
,2
]}

Wang, Yan ^{[5
]}

机构：

[1] Xian Univ Architecture & Technol, State Key Lab Green Bldg Western China, 13 Yanta Rd, Xian 710055, Peoples R China

[2] Xian Univ Architecture & Technol, Coll Civil Engn, 13 Yanta Rd, Xian 710055, Peoples R China

[3] China JiKan Res Inst Engn Invest & Design Co Ltd, 51 Xianning Rd, Xian 710043, Peoples R China

[4] Beijing Glory PKPM Technol Co Ltd, 30 North Third Ring Rd East, Beijing 100013, Peoples R China

[5] Xian Univ Architecture & Technol, Coll Mat & Engn, 13 Yanta Rd, Xian 710055, Peoples R China

来源：

JOURNAL OF BUILDING ENGINEERING | 2023年 / 64卷

基金：

中国国家自然科学基金;

关键词：

Reinforced concrete; Freeze-thaw cycles; Corrosion cracking; Damaged layer thickness; TIME; SURFACE;

D O I：

10.1016/j.jobe.2022.105610

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents an experimental and theoretical study on the corrosion cracking behavior of reinforced concrete under freeze-thaw cycles. Accelerated corrosion tests were carried out on reinforced concrete specimens subjected to freeze-thaw cycles. The test results of Digital Image Correlation (DIC) showed that the cracking positions on the concrete surface were randomly distributed. The critical corrosion ratio of reinforcing bars decreased with increasing freeze-thaw cycles. The reinforcing bar critical corrosion ratio at cover cracking under freeze-thaw environ-ment was established with the thick-walled double cylinder theory, and was in acceptable with experimental results.

引用

页数：14

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