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|Scopus||Web of Science®||Altmetric|
|Title:||Performance of screw-shaft pile in sand: model test and DEM simulation|
|Citation:||Computers and Geotechnics, 2018; 104:118-130|
|Yadong Chen, An Deng, Anting Wang, Huasheng Sun|
|Abstract:||A screw-shaft pile is a bored, cast-in-situ, displacement foundation solution. This study examines the performance of axially loaded screw-shaft piles by laboratory model tests, digital image correlation, and discrete element modelling. The results suggested that the screw section carried a greater vertical load than the corresponding section of the control pile; hence, the screw-shaft pile outperformed the control pile. The screw-shaft pile achieved better performance by influencing a larger volume of sand. The sand around the screw section exhibited enlarged cone-shape shear slips and contributed to gains in the pile capacity.|
|Keywords:||Screw-shaft pile; pile-soil interaction; load transfer; digital image correlation; discrete element method|
|Rights:||© 2018 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Civil and Environmental Engineering publications|
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