干旱区生态环境知识资源中心(Arid): The use of treated desert sand in sustainable concrete: A mechanical and microstructure study

Arid

DOI	10.1016/j.jobe.2023.107843
	The use of treated desert sand in sustainable concrete: A mechanical and microstructure study
	Hamada, Hussein M.; Abed, Farid; Al-Sadoon, Zaid A.; Elnassar, Zeinah; Hassan, Arhum
通讯作者	Hamada, HM
来源期刊	JOURNAL OF BUILDING ENGINEERING
EISSN	2352-7102
出版年	2023
卷号	79
英文摘要	Desertification stands as a major global issue, while the scarcity of renewable energy sources continues to be a growing concern. To address these challenges, the use of desert sand as a fine aggregate in sustainable concrete has been explored. Desert sand offers numerous advantages such as environmental protection, cost savings, and energy efficiency. This paper examines the impact of treated desert sand on the mechanical and microstructural properties of sustainable concrete. The results of this study reveal that the highest compressive strength was achieved with a 50% replacement level of treated desert sand. The concrete mixture with 50% desert sand achieved the highest 28-day compressive strength at 61.06 MPa. Conversely, the lowest 28-day compressive strength of 41.73 MPa was observed in the concrete mix containing 100% treated desert sand while the control mix with 0% treated desert sand attained a 28-day compressive strength of 48.7 MPa. As the proportion of treated desert sand increased, the workability of concrete decreased. The slump value, which was initially 130 mm for the control mix, dropped to 80 mm in the concrete mix composed of 100% treated desert sand. However, the flexural and tensile strengths tended to decrease as the amount of desert sand increased, particularly beyond a 25% replacement level. The addition of desert sand improves compactness and reduces pores in the samples, as observed through Scanning Electron Microscopy (SEM) with Energy Dispersive Spectroscopy Analysis (EDS) analysis. The results suggest that desert sand can be effectively treated using different treatment methods and used as a fine aggregate in various applications within the construction industry. This research sheds light on the potential of desert sand in sustainable concrete production, contributing to environmental preservation and resource conservation efforts.
英文关键词	Desert sand Fine aggregates Sustainable concrete Environment Construction industry
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001109860200001
WOS关键词	DUNE SAND ; STRENGTH ; REPLACEMENT
WOS类目	Construction & Building Technology ; Engineering, Civil
WOS研究方向	Construction & Building Technology ; Engineering
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/397203
推荐引用方式 GB/T 7714	Hamada, Hussein M.,Abed, Farid,Al-Sadoon, Zaid A.,et al. The use of treated desert sand in sustainable concrete: A mechanical and microstructure study[J],2023,79.
APA	Hamada, Hussein M.,Abed, Farid,Al-Sadoon, Zaid A.,Elnassar, Zeinah,&Hassan, Arhum.(2023).The use of treated desert sand in sustainable concrete: A mechanical and microstructure study.JOURNAL OF BUILDING ENGINEERING,79.
MLA	Hamada, Hussein M.,et al."The use of treated desert sand in sustainable concrete: A mechanical and microstructure study".JOURNAL OF BUILDING ENGINEERING 79(2023).