Determination of rust formation to cracking at the steel-concrete interface by corrosion of steel in concrete

被引：14

作者：

Hwang, Woongik ^{[1
]}

Ann, Ki Yong ^{[1
]}

机构：

[1] Hanyang Univ, Dept Civil & Environm Engn, Ansan 15588, South Korea

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2023年 / 367卷

基金：

新加坡国家研究基金会;

关键词：

Rust; Corrosion; Steel-concrete interface; Cracking; SERVICE LIFE PREDICTION; REINFORCEMENT CORROSION; COVER CRACKING; TIME; MODEL; INITIATION; REBARS;

D O I：

10.1016/j.conbuildmat.2022.130215

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this study, a development of the rust formation was modelled to quantify the structural impact in steel reinforced concrete. The interfacial gap, cover depth and diameter of steel rebar were taken for variables in modelling. It was found that the interfacial gap was the most influencing on the structural limit at steel corrosion, followed by steel diameter and cover depth. At 75 mm of cover depth with 20 mm of the steel diameter, the rust amount to reach yielding accounted for 2.66-11.58 & mu;m to 1-10 & mu;m of the interfacial gap, while 16.95-27.69 & mu;m to the equivalent rust formation.

引用

页数：8

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