The Axial Uplift Capacity of Screw Piles: A Review
There is a continuous demand in geotechnical engineering to find more economical footing. Screw piles provide acceptable or even much more bearing against tensile, compression, lateral, and overturning moment loads with less impact on the environment and surrounding buildings. Screw piles may be ut...
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University of Baghdad
2025-06-01
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| Series: | Journal of Engineering |
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| Online Access: | https://joe.uobaghdad.edu.iq/index.php/main/article/view/3582 |
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| author | Ibrahim W. Ibrahim Mahdi Karkush |
| author_facet | Ibrahim W. Ibrahim Mahdi Karkush |
| author_sort | Ibrahim W. Ibrahim |
| collection | DOAJ |
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There is a continuous demand in geotechnical engineering to find more economical footing. Screw piles provide acceptable or even much more bearing against tensile, compression, lateral, and overturning moment loads with less impact on the environment and surrounding buildings. Screw piles may be utilized either as shallow footing or deep footing, and can be installed in various types of soils except the soils that contain gravel or stiff clay. A screw pile is generally made of high-quality steel shaft with a single helix plate or multiple helixes plates attached to the lower end of the shaft at specified spacing utilized by the designer. The current study highlighted the various theoretical and field methods that were utilized in literature to estimate the uplift capacity of screw piles and pointed out several field, laboratory scale, and numerical simulation studies that investigated the most important parameters during installation and uplift loading of the screw piles. The former investigations revealed that installing the screw piles with torque rotation speed ( ) of 1 (p/r) provides higher uplift capacities as well as increasing the embedment depth, the helix diameter, and the number of helical plates welded to the screw pile shaft. In general, the the decrease in the spacing ratio (S/D) gave higher uplift capacity in almost all the soils used by researchers this case can also be said to the decrease in the (L/D) ratio. Finally, increasing the undrained shear strength of clayey soil and the relative density of sandy soil gave a higher uplift capacity.
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| format | Article |
| id | doaj-art-0ea2f4ce60f14c35877f326c3f509037 |
| institution | DOAJ |
| issn | 1726-4073 2520-3339 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | University of Baghdad |
| record_format | Article |
| series | Journal of Engineering |
| spelling | doaj-art-0ea2f4ce60f14c35877f326c3f5090372025-08-20T03:22:15ZengUniversity of BaghdadJournal of Engineering1726-40732520-33392025-06-0131610.31026/j.eng.2025.06.06The Axial Uplift Capacity of Screw Piles: A ReviewIbrahim W. Ibrahim0Mahdi Karkush1Department of Civil Engineering, College of Engineering, University of BaghdadDepartment of Civil Engineering, College of Engineering, University of Baghdad There is a continuous demand in geotechnical engineering to find more economical footing. Screw piles provide acceptable or even much more bearing against tensile, compression, lateral, and overturning moment loads with less impact on the environment and surrounding buildings. Screw piles may be utilized either as shallow footing or deep footing, and can be installed in various types of soils except the soils that contain gravel or stiff clay. A screw pile is generally made of high-quality steel shaft with a single helix plate or multiple helixes plates attached to the lower end of the shaft at specified spacing utilized by the designer. The current study highlighted the various theoretical and field methods that were utilized in literature to estimate the uplift capacity of screw piles and pointed out several field, laboratory scale, and numerical simulation studies that investigated the most important parameters during installation and uplift loading of the screw piles. The former investigations revealed that installing the screw piles with torque rotation speed ( ) of 1 (p/r) provides higher uplift capacities as well as increasing the embedment depth, the helix diameter, and the number of helical plates welded to the screw pile shaft. In general, the the decrease in the spacing ratio (S/D) gave higher uplift capacity in almost all the soils used by researchers this case can also be said to the decrease in the (L/D) ratio. Finally, increasing the undrained shear strength of clayey soil and the relative density of sandy soil gave a higher uplift capacity. https://joe.uobaghdad.edu.iq/index.php/main/article/view/3582Screw pilesUplift capacityCollapsible soils soft clay soilsexpansive soils |
| spellingShingle | Ibrahim W. Ibrahim Mahdi Karkush The Axial Uplift Capacity of Screw Piles: A Review Journal of Engineering Screw piles Uplift capacity Collapsible soils soft clay soils expansive soils |
| title | The Axial Uplift Capacity of Screw Piles: A Review |
| title_full | The Axial Uplift Capacity of Screw Piles: A Review |
| title_fullStr | The Axial Uplift Capacity of Screw Piles: A Review |
| title_full_unstemmed | The Axial Uplift Capacity of Screw Piles: A Review |
| title_short | The Axial Uplift Capacity of Screw Piles: A Review |
| title_sort | axial uplift capacity of screw piles a review |
| topic | Screw piles Uplift capacity Collapsible soils soft clay soils expansive soils |
| url | https://joe.uobaghdad.edu.iq/index.php/main/article/view/3582 |
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