干旱区生态环境知识资源中心(Arid): Experimental Study on the Effect of Micro-metakaolin on the Strength and Swelling Characteristics of Expansive Soils

Arid

DOI	10.1007/s13369-023-08449-6
	Experimental Study on the Effect of Micro-metakaolin on the Strength and Swelling Characteristics of Expansive Soils
	Sakr, Mohamed A.; Azzam, Waseim R.; Meguid, Mohamed A.; Ghoneim, Hebatalla A.
通讯作者	Ghoneim, HA
来源期刊	ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
ISSN	2193-567X
EISSN	2191-4281
出版年	2024
卷号	49 期号:4 页码:5835-5852
英文摘要	Expansive soils are prevalent in various regions around, especially in arid and dry climates. The rapid urbanization and development of new cities around the world resulted in construction in areas of challenging subsurface soil conditions. For example, in the Middle East, the Government of Egypt is building several new cities to accommodate the continuous increase in the country's population. Most of these new cities are located in areas underlain by expansive soils. In this study, a series of laboratory tests were carried out to investigate the effect of introducing micro-metakaolin into the matrix of an expansive soil to improve the swelling potential as a new stabilizing material. Test results showed that micro-metakaolin can considerably decrease the free swell index of the soil by 37% and 54% at micro-metakaolin content of 15% and 25%, respectively. In addition, the shear strength of the soil was found to also increase as a result of the introduction of the micro-metakaolin material. Adding 25% micro-metakaolin content reduced the swelling pressure of the soil by about 33%. The results suggest that the proposed method is efficient in stabilizing and improving the properties of expansive soils found in arid areas. This is important to control excessive swelling and prevent possible damage to the supported structures.
英文关键词	Ground improvement Expansive soil Micro-metakaolin Soil stabilization
类型	Article
语种	英语
开放获取类型	Green Submitted
收录类别	SCI-E
WOS记录号	WOS:001120806900003
WOS关键词	STABILIZATION
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/402921
推荐引用方式 GB/T 7714	Sakr, Mohamed A.,Azzam, Waseim R.,Meguid, Mohamed A.,et al. Experimental Study on the Effect of Micro-metakaolin on the Strength and Swelling Characteristics of Expansive Soils[J],2024,49(4):5835-5852.
APA	Sakr, Mohamed A.,Azzam, Waseim R.,Meguid, Mohamed A.,&Ghoneim, Hebatalla A..(2024).Experimental Study on the Effect of Micro-metakaolin on the Strength and Swelling Characteristics of Expansive Soils.ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING,49(4),5835-5852.
MLA	Sakr, Mohamed A.,et al."Experimental Study on the Effect of Micro-metakaolin on the Strength and Swelling Characteristics of Expansive Soils".ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 49.4(2024):5835-5852.