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Three-Dimensional Modeling of Laterally Loaded Pile Embedded in Unsaturated Sandy Soil
A finite element formulation for the static, cyclic, and dynamic analyses of the laterally loaded single pile model embedded in sandy soil was carried out. The sandy soil was brought from Baghdad; the state of soil changes from dry, saturated, and unsaturated conditions. The analysis was performed by using “ABAQUS 3D V.6.14”. The program validity was checked by using experimental results. The soil follows Drucker‒Prager failure criteria. The pile head displacement, deflection, and soil resistance for different cases were chosen for comparison. The finite element results of the pile under static load and embedded in dry, saturated, and unsaturated sandy soil are compatible with the experimental results. Furthermore, in the case of cyclic load, the results are compatible with experimental results for saturated and unsaturated conditions while there is a divergence in the results between experimental and finite element results when the pile is embedded in dry soil. A parametric study was carried out by increasing the frequency of the cyclic load from 0.5, 1.0, and 1.5 Hz (only 0.05, 0.1, and 0.2 used in the experimental study). The results indicated that as the frequency of the load increased, the pile deflection and soil resistance increased and an increment in the deflection approaches 12% for each increment in frequency value.
Three-Dimensional Modeling of Laterally Loaded Pile Embedded in Unsaturated Sandy Soil
A finite element formulation for the static, cyclic, and dynamic analyses of the laterally loaded single pile model embedded in sandy soil was carried out. The sandy soil was brought from Baghdad; the state of soil changes from dry, saturated, and unsaturated conditions. The analysis was performed by using “ABAQUS 3D V.6.14”. The program validity was checked by using experimental results. The soil follows Drucker‒Prager failure criteria. The pile head displacement, deflection, and soil resistance for different cases were chosen for comparison. The finite element results of the pile under static load and embedded in dry, saturated, and unsaturated sandy soil are compatible with the experimental results. Furthermore, in the case of cyclic load, the results are compatible with experimental results for saturated and unsaturated conditions while there is a divergence in the results between experimental and finite element results when the pile is embedded in dry soil. A parametric study was carried out by increasing the frequency of the cyclic load from 0.5, 1.0, and 1.5 Hz (only 0.05, 0.1, and 0.2 used in the experimental study). The results indicated that as the frequency of the load increased, the pile deflection and soil resistance increased and an increment in the deflection approaches 12% for each increment in frequency value.
Three-Dimensional Modeling of Laterally Loaded Pile Embedded in Unsaturated Sandy Soil
Lecture Notes in Civil Engineering
Karkush, Mahdi O. (Herausgeber:in) / Choudhury, Deepankar (Herausgeber:in) / Abood, Maha H. (Autor:in) / Mahmood, Mahmood R. (Autor:in) / Salim, Nahla M. (Autor:in)
Modern Applications of Geotechnical Engineering and Construction ; Kapitel: 14 ; 159-171
22.12.2020
13 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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