<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The application of screw displacement piles (SDP) is still increasing due to their high efficiency and many advantages. However, one technological problem is a serious disadvantage of those piles. It relates to the generation of very high soil resistance during screw auger penetration, especially when piles are installed in non-cohesive soils. In many situations this problem causes difficulties in creating piles of designed length and diameter. It is necessary to find a proper method for prediction of soil resistance during screw pile installation. The analysis of screw resistances based on model and field tests is presented in the paper. The investigations were carried out as part of research project, financed by the Polish Ministry of Science and Higher Education. As a result of tests and analyses the empirical method for prediction of rotation resistance (torque) during screw auger penetration in non-cohesive subsoil based on CPT is proposed.</p></abstract>

The application of screw displacement piles (SDP) is still increasing due to their high efficiency and many advantages. However, one technological problem is a serious disadvantage of those piles. It relates to the generation of very high soil resistance during screw auger penetration, especially when piles are installed in non-cohesive soils. In many situations this problem causes difficulties in creating piles of designed length and diameter. It is necessary to find a proper method for prediction of soil resistance during screw pile installation. The analysis of screw resistances based on model and field tests is presented in the paper. The investigations were carried out as part of research project, financed by the Polish Ministry of Science and Higher Education. As a result of tests and analyses the empirical method for prediction of rotation resistance (torque) during screw auger penetration in non-cohesive subsoil based on CPT is proposed.

The Analysis of Soil Resistance During Screw Displacement Pile Installation

Gdansk University of Technology, Department of Geotechnics, Geology and Maritime Engineering, ul. Narutowicza 11/12, 80-233 Gdansk, Poland

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"The Analysis of Soil Resistance During Screw Displacement Pile Installation"}

The application of screw displacement piles (SDP) is still increasing due to their high efficiency and many advantages. However, one technological problem is a...

The Analysis of Soil Resistance During Screw Displacement Pile Installation

Published Online: Feb 28, 2015

Page range: 49 - 56

DOI: https://doi.org/10.2478/sgem-2014-0026

Keywords
screw displacement pile, pile installation, pile auger, torque, soil resistance

© 2014 Adam Krasinski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Analysis of Soil Resistance During Screw Displacement Pile Installation

Published Online: Feb 28, 2015

Page range: 49 - 56

DOI: https://doi.org/10.2478/sgem-2014-0026

Keywordsscrew displacement pile, pile installation, pile auger, torque, soil resistance

© 2014 Adam Krasinski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
screw displacement pile, pile installation, pile auger, torque, soil resistance