A review of steel slag as a substitute for natural aggregate applied to cement concrete

被引：32
作者：
Li, Zhennan [1 ]
Shen, Aiqin [1 ]
Yang, Xuerui [1 ]
Guo, Yinchuan [1 ]
Liu, Yiwei [1 ]
机构：
[1] Changan Univ, Sch Highway, Xian, Peoples R China
来源：
ROAD MATERIALS AND PAVEMENT DESIGN | 2023年 / 24卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Steel slag; cement concrete; expansion; mechanical properties; durability; interfacial transition zone; BLAST-FURNACE SLAG; SELF-COMPACTING CONCRETE; COARSE AGGREGATE; MECHANICAL-PROPERTIES; FINE AGGREGATE; EAF SLAG; DURABILITY CHARACTERISTICS; ACCELERATED CARBONATION; STRENGTH PROPERTIES; PARTIAL REPLACEMENT;
D O I：
10.1080/14680629.2021.2024241
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Steel slag is the main by-product of steelmaking, and its stacking and burying cause serious pollution to soil and water. Meanwhile, the exploitation of gravel is restricted with the implementation of ecological environment protection, resulting in the lack of nature aggregate. Based on the good engineering properties of steel slag aggregate, many researches attempted to substitute natural aggregate with steel slag applied to concrete. Therefore, this article summarizes the composition and properties of steel slag and discusses the effect of steel slag on properties and microstructure of cement concrete. Extensive literatures verify the feasibility of steel slag substituting part of natural aggregate in concrete. Steel slag affects the workability and volume stability of concrete but improves compressive strength, frost resistance and wear resistance, whereas it is controversial in flexural strength and permeability. Finally, the future research trends of concrete with steel slag aggregate are put forward.
引用
收藏
页码：537 / 559
页数：23
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