Properties of pervious concrete incorporating fly ash as partial replacement of cement: A review

Elnaz Khankhaje; Taehoon Kim; Hyounseung Jang; Chang Soo Kim; Jimin Kim; Mahdi Rafieizonooz

doi:10.1016/j.dibe.2023.100130

Properties of pervious concrete incorporating fly ash as partial replacement of cement: A review

Elnaz Khankhaje, Taehoon Kim, Hyounseung Jang, Chang Soo Kim, Jimin Kim, Mahdi Rafieizonooz

School of Architecture

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

84 Scopus citations

Abstract

Disposing fly ash in to landfill of coal fire power plant initiated environmental and health problems. A lot of researchers have conducted research to study the addition of fly ash (FA) as cement replacement in pervious concrete (PC). The aim of this paper was to review the impact of adding FA as partial substitution of cement in PC. The experimental outcomes from different previous studies have indicated that the void content and permeability of PC decreased with adding FA due to filler effect of FA. The optimum substitution level of cement with FA was obtained to be 10–30%. However, with increasing the level of replacement affects the hydration procedure resulting lower strength. PC containing FA showed higher abrasion resistance and lower drying shrinkage compared to normal PC. It can be concluded that using FA as partial substitution of cement would be environmentally friendly in association with more sustainable PC.

Original language	English
Article number	100130
Journal	Developments in the Built Environment
Volume	14
DOIs	https://doi.org/10.1016/j.dibe.2023.100130
State	Published - Apr 2023

Keywords

Cement
Fly ash
Pervious concrete
Sustainable concrete

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10.1016/j.dibe.2023.100130

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title = "Properties of pervious concrete incorporating fly ash as partial replacement of cement: A review",

abstract = "Disposing fly ash in to landfill of coal fire power plant initiated environmental and health problems. A lot of researchers have conducted research to study the addition of fly ash (FA) as cement replacement in pervious concrete (PC). The aim of this paper was to review the impact of adding FA as partial substitution of cement in PC. The experimental outcomes from different previous studies have indicated that the void content and permeability of PC decreased with adding FA due to filler effect of FA. The optimum substitution level of cement with FA was obtained to be 10–30\%. However, with increasing the level of replacement affects the hydration procedure resulting lower strength. PC containing FA showed higher abrasion resistance and lower drying shrinkage compared to normal PC. It can be concluded that using FA as partial substitution of cement would be environmentally friendly in association with more sustainable PC.",

keywords = "Cement, Fly ash, Pervious concrete, Sustainable concrete",

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language = "English",

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T2 - A review

AU - Khankhaje, Elnaz

AU - Kim, Taehoon

AU - Jang, Hyounseung

AU - Kim, Chang Soo

AU - Kim, Jimin

AU - Rafieizonooz, Mahdi

PY - 2023/4

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AB - Disposing fly ash in to landfill of coal fire power plant initiated environmental and health problems. A lot of researchers have conducted research to study the addition of fly ash (FA) as cement replacement in pervious concrete (PC). The aim of this paper was to review the impact of adding FA as partial substitution of cement in PC. The experimental outcomes from different previous studies have indicated that the void content and permeability of PC decreased with adding FA due to filler effect of FA. The optimum substitution level of cement with FA was obtained to be 10–30%. However, with increasing the level of replacement affects the hydration procedure resulting lower strength. PC containing FA showed higher abrasion resistance and lower drying shrinkage compared to normal PC. It can be concluded that using FA as partial substitution of cement would be environmentally friendly in association with more sustainable PC.

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Properties of pervious concrete incorporating fly ash as partial replacement of cement: A review

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Keywords

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