Freeze-thaw Durability of Recycled Aggregate Concrete: An Overview

被引：20
|
作者：
Luan, Haoxiang [1 ]
Wu, Jin [1 ]
Pan, Jiayu [2 ,3 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Dept Civil Engn, Nanjing 210016, Peoples R China
[2] Guangxi Univ Sci & Technol, Coll Civil & Architecture, Liuzhou 545006, Peoples R China
[3] Jiangsu Huangjiang Construct Grp Co Ltd, Yangzhou 225200, Jiangsu, Peoples R China
来源：
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2021年 / 36卷 / 01期
关键词：
recycled aggregate concrete; freeze-thaw durability; aggregate composition; deterioration mechanism; improvement measures; DEICER-SCALING RESISTANCE; AIR-ENTRAINED CONCRETE; COARSE; DETERIORATION; STRENGTH; DAMAGE; FIBER;
D O I：
10.1007/s11595-021-2378-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The characteristics of surface appearances, mass loss, relative dynamic modulus of elasticity and strength loss of different recycled aggregate concretes(RAC) exposed to freeze-thaw cycles were analyzed. It was found that the freeze-thaw resistance of RAC could be determined by the recycled aggregate compositions and admixtures. Both the saturation degree and the air void structure were the key factors influencing the freeze-thaw damage on concrete. Some major proposed freeze-thaw deterioration mechanisms were utilized to interpret the freeze-thaw damage on recycled aggregate concrete. Meanwhile, some potential measures to enhance the freeze-thaw resistance of concrete were summarized and discussed.
引用
收藏
页码：58 / 69
页数：12
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