Design and assessment of eco-friendly ultra-high performance concrete with steel slag powder and recycled glass powder

Jing Xu; Peimin Zhan; Wei Zhou; Junqing Zuo; Surendra P. Shah; Zhihai He

doi:10.1016/j.powtec.2023.118356

Design and assessment of eco-friendly ultra-high performance concrete with steel slag powder and recycled glass powder

Jing Xu, Peimin Zhan, Wei Zhou^*, Junqing Zuo, Surendra P. Shah, Zhihai He

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

An eco-friendly UHPC was designed by the modified Andreasen and Andersen packing model and prepared with cement partially replaced by steel slag powder (SSP) and glass powder (GP) at a fixed mass ratio of 2:1. An improved strengths and resistance to drying shrinkage was obtained with a combined replacement of SSP and GP, and the best one was achieved at the 20% replacement ratio. The leaching of Ca²⁺, Al(OH)₄⁻, and SiO₃²⁻ ions from SSP and GP promoted the hydration of cement. The potential cementitious activity of SSP and the pozzolanic activity of GP contributed simultaneously to the formation of extra hydration products, especially the high density C-S-H. As a result, the pore structure of the paste matrix was refined and the steel fiber/paste was enhanced. The UHPC developed with SSP and GP had lower carbon emissions and non-renewable energy consumption, which provides possibilities for its industrial application.

Original language	English (US)
Article number	118356
Journal	Powder Technology
Volume	419
DOIs	https://doi.org/10.1016/j.powtec.2023.118356
State	Published - Apr 1 2023

Funding

This work was supported by National Key Research and Development Program of China ( 2019YFC1906203 ).

Keywords

Eco-friendliness
Glass powder
Microstructure
Steel slag powder
Ultra-high performance concrete

ASJC Scopus subject areas

General Chemical Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.powtec.2023.118356

Cite this

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title = "Design and assessment of eco-friendly ultra-high performance concrete with steel slag powder and recycled glass powder",

abstract = "An eco-friendly UHPC was designed by the modified Andreasen and Andersen packing model and prepared with cement partially replaced by steel slag powder (SSP) and glass powder (GP) at a fixed mass ratio of 2:1. An improved strengths and resistance to drying shrinkage was obtained with a combined replacement of SSP and GP, and the best one was achieved at the 20% replacement ratio. The leaching of Ca2+, Al(OH)4−, and SiO32− ions from SSP and GP promoted the hydration of cement. The potential cementitious activity of SSP and the pozzolanic activity of GP contributed simultaneously to the formation of extra hydration products, especially the high density C-S-H. As a result, the pore structure of the paste matrix was refined and the steel fiber/paste was enhanced. The UHPC developed with SSP and GP had lower carbon emissions and non-renewable energy consumption, which provides possibilities for its industrial application.",

keywords = "Eco-friendliness, Glass powder, Microstructure, Steel slag powder, Ultra-high performance concrete",

author = "Jing Xu and Peimin Zhan and Wei Zhou and Junqing Zuo and Shah, {Surendra P.} and Zhihai He",

note = "Funding Information: This work was supported by National Key Research and Development Program of China ( 2019YFC1906203 ). Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",

year = "2023",

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doi = "10.1016/j.powtec.2023.118356",

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AU - Xu, Jing

AU - Zhan, Peimin

AU - Zhou, Wei

AU - Zuo, Junqing

AU - Shah, Surendra P.

AU - He, Zhihai

PY - 2023/4/1

Y1 - 2023/4/1

N2 - An eco-friendly UHPC was designed by the modified Andreasen and Andersen packing model and prepared with cement partially replaced by steel slag powder (SSP) and glass powder (GP) at a fixed mass ratio of 2:1. An improved strengths and resistance to drying shrinkage was obtained with a combined replacement of SSP and GP, and the best one was achieved at the 20% replacement ratio. The leaching of Ca2+, Al(OH)4−, and SiO32− ions from SSP and GP promoted the hydration of cement. The potential cementitious activity of SSP and the pozzolanic activity of GP contributed simultaneously to the formation of extra hydration products, especially the high density C-S-H. As a result, the pore structure of the paste matrix was refined and the steel fiber/paste was enhanced. The UHPC developed with SSP and GP had lower carbon emissions and non-renewable energy consumption, which provides possibilities for its industrial application.

AB - An eco-friendly UHPC was designed by the modified Andreasen and Andersen packing model and prepared with cement partially replaced by steel slag powder (SSP) and glass powder (GP) at a fixed mass ratio of 2:1. An improved strengths and resistance to drying shrinkage was obtained with a combined replacement of SSP and GP, and the best one was achieved at the 20% replacement ratio. The leaching of Ca2+, Al(OH)4−, and SiO32− ions from SSP and GP promoted the hydration of cement. The potential cementitious activity of SSP and the pozzolanic activity of GP contributed simultaneously to the formation of extra hydration products, especially the high density C-S-H. As a result, the pore structure of the paste matrix was refined and the steel fiber/paste was enhanced. The UHPC developed with SSP and GP had lower carbon emissions and non-renewable energy consumption, which provides possibilities for its industrial application.

KW - Eco-friendliness

KW - Glass powder

KW - Microstructure

KW - Steel slag powder

KW - Ultra-high performance concrete

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Design and assessment of eco-friendly ultra-high performance concrete with steel slag powder and recycled glass powder

Abstract

Funding

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

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