Assessment of stability of embankments erected on soft clay soils reinforced with sand columns
Dissertant
University
University of Technology
Faculty
-
Department
Department of Building and Construction Engineering
University Country
Iraq
Degree
Master
Degree Date
2004
English Abstract
This research focuses on the numerical assessment of the effect of using " sand columns on the stability of earth embankments erected on a soft clay soil foundation.
To achieve the above goal, two approaches were considered they are the finite element analysis and the slip circle method. To evaluate the shear strength parameters for the soils considered in both analyses, a series of laboratory triaxial tests were accomplished on a series of sand samples, unreinforced soft clay samples and a composite samples of soft clay reinforced with a sand column. One of the main objectives is to formulate some empirical relation between the strength of soft clay reinforced with sand column and the strength of the original materials constituting this combination, i.e.
sand and soft clay. The development of such relation simplifies the job to a considerable extent, as the preparation of triaxial test sample of soft clay reinforced with sand column is difficult. The shear strength of reinforced soft clay is needed when a stability analysis using slip circle method is to be carried out. The triaxial tests indicated that the increase in the strength of a soft clay exceeds (300%) due to using sand column technique. On the other hand, this study aims to establish a relation between the value of embankment factor of safety (F.
O.
S.) obtained using the finite element analysis (F.
E.
A.) and that found using circular slip circle method.
The results of analysis show that the factor of safety obtained using slip circle analysis is mostly higher than those obtained using f.
E.
A.
Relation factors of (2.2-1.1) were found out to relate factor of safety obtained from F.
E.
A.
to that using circular slip circle method.
Main Subjects
Topics
American Psychological Association (APA)
al-Marsomy, Huda Mowfak. (2004). Assessment of stability of embankments erected on soft clay soils reinforced with sand columns. (Master's theses Theses and Dissertations Master). University of Technology, Iraq
https://search.emarefa.net/detail/BIM-305578
Modern Language Association (MLA)
al-Marsomy, Huda Mowfak. Assessment of stability of embankments erected on soft clay soils reinforced with sand columns. (Master's theses Theses and Dissertations Master). University of Technology. (2004).
https://search.emarefa.net/detail/BIM-305578
American Medical Association (AMA)
al-Marsomy, Huda Mowfak. (2004). Assessment of stability of embankments erected on soft clay soils reinforced with sand columns. (Master's theses Theses and Dissertations Master). University of Technology, Iraq
https://search.emarefa.net/detail/BIM-305578
Language
English
Data Type
Arab Theses
Record ID
BIM-305578
