Effects of installation advancement ratio on cyclic uplift response of a single-helix screw pile: Experimental and numerical investigation in sand

Wei Wang (Lead / Corresponding author), Michael Brown, Matteo Ciantia, Yaseen Sharif, Craig Davidson, Benjamin Cerfontaine

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Abstract

A screw pile consists of one or several helices connected on a central straight shaft or core. These kinds of piles are widely used onshore and typically installed by applying torque at the pile head with additional vertical compressive force (also referred to as crowd force) if required. Current standards and industrial guidelines recommend that installation follows the pitch-matched approach i.e. advancement ratio AR = 1.0 [1], which means that the pile vertical penetration for each rotation equals the helix pitch, because it is suggested that this leads to reduced installation disturbance
Original languageEnglish
DOIs
Publication statusPublished - 3 Oct 2023
EventSymposium on Energy Geotechnics: Accelerating the Energy Transition - Delft, Netherlands
Duration: 3 Oct 20235 Oct 2023
https://seg23.dryfta.com/

Conference

ConferenceSymposium on Energy Geotechnics
Country/TerritoryNetherlands
CityDelft
Period3/10/235/10/23
Internet address

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment

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