Engineers have used several types of piles as the foundation system in the range of conventional or unconventional ones in onshore or offshore construction and structure. Achieving high bearing capacity, efficient performance, and minimum soil disturbance due to pile driving are the main objectives of the development of unconventional piles. In this study, two new models of self-expanded piles are introduced, called bubble and wing piles, in order to overcome the relative limitations and disadvantages of common piles and enhance their performance. These piles were studied in two different relative densities of sandy soil via physical modeling by a frustum confining vessel (FCV-AUT). In order to compare their behavior and performance with traditional piles, 32 tensile and compression static load tests have been conducted. The test results revealed that the new self-expanded piles can resist considerable tensile and compressive loads. Therefore, they can be possible alternatives to traditional piles in both onshore and offshore applications.
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Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 6, November-December, 2021.
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Shojaei, E., Eslami, A. & Ghanjiyan, N. Experimental and Comparative Investigations of New Self-Expanded Steel Pile Behavior via Physical Modelling. Soil Mech Found Eng 58, 482–490 (2022). https://doi.org/10.1007/s11204-022-09770-2
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DOI: https://doi.org/10.1007/s11204-022-09770-2