Investigating the effects of steel slag powder on the properties of self-compacting concrete with recycled aggregates

被引：72

作者：

Pan, Zhihong ^{[1
]}

Zhou, Juanlan ^{[1
]}

Jiang, Xin ^{[1
]}

Xu, Yidong ^{[2
]}

Jin, Ruoyu ^{[3
]}

Ma, Jian ^{[4
]}

Zhuang, Yuan ^{[1
]}

Diao, Zikun ^{[5
]}

Zhang, Shengju ^{[1
]}

Si, Qi ^{[1
]}

Chen, Wei ^{[2
]}

机构：

[1] Jiangsu Univ Sci & Technol, Sch Civil Engn & Architecture, Zhenjiang 212003, Jiangsu, Peoples R China

[2] Zhejiang Univ, Ningbo Inst Technol, Ningbo 315100, Zhejiang, Peoples R China

[3] Univ Brighton, Sch Environm & Technol, Cockcroft Bldg 616,Lewes Rd, Brighton BN2 4GJ, E Sussex, England

[4] Jiangsu Univ Sci & Technol, Sch Naval Architecture & Architectural Engn, Zhangjiagang 215600, Peoples R China

[5] Jiangsu Meicheng Architectural & Planning Design, Huaian 223005, Jiangsu, Peoples R China

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2019年 / 200卷

关键词：

Self-compacting concrete; Recycled aggregate; Steel slag; Mechanical properties; Chloride penetration; Carbonation; FURNACE SLAG; PERFORMANCE; HYDRATION; CEMENT;

D O I：

10.1016/j.conbuildmat.2018.12.150

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study introduced both steel slag and recycled aggregate aiming to improve the sustainability performance of self-compacting concrete (SCC). The study focused on investigating the effects of steel slag powder on the properties of self-compacting concrete with recycled aggregate (SCRAC). Recycled aggregates were used to replace 30% of natural coarse aggregates by volume. The effects of various replacement ratios of steel slag powder (SSP) to Portland cement (i.e., 10%, 20%, 30%, 40%, and 50%) on the workability, mechanical properties, and durability of SCRAC were studied. The results showed that SSP improved filling ability and passing ability of SCC, but adversely affected the segregation resistance. It was found that 10% replacement ratio of SSP to ordinary Portland cement (OPC) in SCRAC showed superior mechanical properties and higher durability performance in resisting chloride penetration and carbonation. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：570 / 577

页数：8

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