Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil

Screw piles are widely used in supporting structures subjected to pullout forces, such as power towers and offshore structures, and this research investigates their performance in gypseous soil of medium relative density. The bearing capacity and displacement of a single screw pile model inserted in...

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Autores principales:	Karkush Mahdi O., Mukhlef Omar J.
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	screw piles helix gypseous soil pullout displacement Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/940039afa9624e9ba67f4237a952926d
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id	oai:doaj.org-article:940039afa9624e9ba67f4237a952926d
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spelling	oai:doaj.org-article:940039afa9624e9ba67f4237a952926d2021-11-12T11:43:50ZExperimental Pullout Capacity of Screw Piles in Dry Gypseous Soil2267-124210.1051/e3sconf/202131801002https://doaj.org/article/940039afa9624e9ba67f4237a952926d2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/94/e3sconf_icge2021_01002.pdfhttps://doaj.org/toc/2267-1242Screw piles are widely used in supporting structures subjected to pullout forces, such as power towers and offshore structures, and this research investigates their performance in gypseous soil of medium relative density. The bearing capacity and displacement of a single screw pile model inserted in gypseous soil with various diameters (D = 20, 30, and 40) mm are examined in this study. The soil used in the testing had a gypsum content of 40% and the bedding soil had a relative density of 40%. To simulate the pullout testing in the lab, a physical model was manufactured with specific dimensions. Three steel screw piles with helix diameters of 20, 30, and 40 mm are used, with a total length of 500 mm. The helix is continuous over the pile's embedded depth of 400 mm. The results of tests revealed that decreasing the length to diameter (H/D) ratio resulted in a higher pullout capacity of screw piles and a lower corresponding displacement.Karkush Mahdi O.Mukhlef Omar J.EDP Sciencesarticlescrew pileshelixgypseous soilpulloutdisplacementEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 318, p 01002 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	screw piles helix gypseous soil pullout displacement Environmental sciences GE1-350
spellingShingle	screw piles helix gypseous soil pullout displacement Environmental sciences GE1-350 Karkush Mahdi O. Mukhlef Omar J. Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil
description	Screw piles are widely used in supporting structures subjected to pullout forces, such as power towers and offshore structures, and this research investigates their performance in gypseous soil of medium relative density. The bearing capacity and displacement of a single screw pile model inserted in gypseous soil with various diameters (D = 20, 30, and 40) mm are examined in this study. The soil used in the testing had a gypsum content of 40% and the bedding soil had a relative density of 40%. To simulate the pullout testing in the lab, a physical model was manufactured with specific dimensions. Three steel screw piles with helix diameters of 20, 30, and 40 mm are used, with a total length of 500 mm. The helix is continuous over the pile's embedded depth of 400 mm. The results of tests revealed that decreasing the length to diameter (H/D) ratio resulted in a higher pullout capacity of screw piles and a lower corresponding displacement.
format	article
author	Karkush Mahdi O. Mukhlef Omar J.
author_facet	Karkush Mahdi O. Mukhlef Omar J.
author_sort	Karkush Mahdi O.
title	Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil
title_short	Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil
title_full	Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil
title_fullStr	Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil
title_full_unstemmed	Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil
title_sort	experimental pullout capacity of screw piles in dry gypseous soil
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/940039afa9624e9ba67f4237a952926d
work_keys_str_mv	AT karkushmahdio experimentalpulloutcapacityofscrewpilesindrygypseoussoil AT mukhlefomarj experimentalpulloutcapacityofscrewpilesindrygypseoussoil
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Experimental Pullout Capacity of Screw Piles in Dry Gypseous Soil

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