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Thixotropic hardening of Fao clay
Other Title(s)
استعادة التصلب بتربة الفاو
Joint Authors
al-Jurani, Ala Nasir Huraib
Kamil, Ahmad Shakir
Source
Issue
Vol. 25, Issue 5 (31 May. 2019), pp.68-78, 11 p.
Publisher
University of Baghdad College of Engineering
Publication Date
2019-05-31
Country of Publication
Iraq
No. of Pages
11
Main Subjects
Topics
Abstract EN
Fao region is characterized by weak soft silty clay to clayey silt thick layer which extends to a depth of about 20 m.
The construction of some structures on such soils may needs piles.
During the installation of driven piles, the soil geotechnical properties are exposed to significant changes result due to shearing under large shear strains.
These changes significantly decrease the shear strength of the virgin soil due to the destruction of soil structure caused by remolding.
The degradation of shear strength is usually followed by strength regaining which is called “Thixotropy”.
In this study, the thixotropic effect on Fao clay was investigated.
Many disturbed and undisturbed soil samples were brought from Fao region.
Some of the soil samples were thoroughly remolded in the laboratory in its natural water content and molded as direct shear specimens.
More than 180 specimens were prepared and tested over 36 weeks in order to accurately assess the percentage of strength regaining with time passing.
The results show that soil remolding causes about a 45 % reduction in shear strength in comparing with the shear strength of the intact soil.
This reduced percent in shear strength was almost fully regained after 25 weeks due to thixotropic effect.
American Psychological Association (APA)
Kamil, Ahmad Shakir& al-Jurani, Ala Nasir Huraib. 2019. Thixotropic hardening of Fao clay. Journal of Engineering،Vol. 25, no. 5, pp.68-78.
https://search.emarefa.net/detail/BIM-886456
Modern Language Association (MLA)
Kamil, Ahmad Shakir& al-Jurani, Ala Nasir Huraib. Thixotropic hardening of Fao clay. Journal of Engineering Vol. 25, no. 5 (May. 2019), pp.68-78.
https://search.emarefa.net/detail/BIM-886456
American Medical Association (AMA)
Kamil, Ahmad Shakir& al-Jurani, Ala Nasir Huraib. Thixotropic hardening of Fao clay. Journal of Engineering. 2019. Vol. 25, no. 5, pp.68-78.
https://search.emarefa.net/detail/BIM-886456
Data Type
Journal Articles
Language
English
Notes
Includes appendix : p. 78
Record ID
BIM-886456