Analysis and research on the difference of design codes for vertical bearing capacity of pile foundation in cold regions

L Tang, Y Cui, J Chen, G Yang, S Sun, G Li… - Cold Regions Science …, 2023 - Elsevier
The design results of pile foundations based on different national codes are not identical
owing to differences in the design and calculation of the vertical bearing capacity of frozen …

Seismic performance of helical piles—A state of the art literature review

HA Qureshi, M Safdar - Arabian Journal of Geosciences, 2023 - Springer
A cutting-edge method for deep foundations is the helical pile. Since its creation, it has
gained prominence due to its significant advantages over conventional foundation systems …

Prediction and optimization of pile bearing capacity considering effects of time

M Khanmohammadi, DJ Armaghani, MM Sabri Sabri - Mathematics, 2022 - mdpi.com
Prediction of pile bearing capacity has been considered an unsolved problem for years. This
study presents a practical solution for the preparation and maximization of pile bearing …

[HTML][HTML] Optimization of inter-helix spacing for helical piles in sand

K Shao, Q Su, J Liu, K Liu, Z Xiong, T Wang - Journal of Rock Mechanics …, 2022 - Elsevier
The optimization of the inter-helix spacing is a key issue of the axial bearing capacity of
helical piles. In this paper, based on the cavity expansion, an analytical approach …

Axial loading effect on the behavior of large helical pile groups in sandy soil

M Alwalan, A Alnuaim - Arabian Journal for Science and Engineering, 2022 - Springer
The use of helical piles as a group to sustain large compressive loads has increased in the
recent decade, and an appropriate evaluation of their behavior is essential for a robust …

Centrifuge model tests and settlement calculation of belled and multi-belled piles in loess area

J Lei, Z Zhou, D Han, S Zhu, H Feng, K Wang… - Soil Dynamics and …, 2022 - Elsevier
Belled and multi-belled piles are cast-in-place piles with one or several bell-shaped
enlargements. In this study, centrifuge model tests were conducted to explore the bearing …

Load-transfer mechanism of helical piles under compressive and impact loading

MF Alwalan, MH El Naggar - International Journal of Geomechanics, 2021 - ascelibrary.org
Helical piles are currently used to support large compressive loads, which requires accurate
evaluation of their bearing capacity. High strain dynamic load testing is increasingly used to …

[HTML][HTML] Centrifuge modeling of the behaviour of helical piles in cohesive soils from installation and axial loading

W Li, L Deng, R Chalaturnyk - Soils and Foundations, 2022 - Elsevier
Centrifuge modeling offers a viable tool for research in the soil-pile interaction, but this
technique has not been used for helical piles in cohesive soils. A centrifuge model test …

Pull-out capacity and creep behavior of helical piles in frozen ground

AA Aldaeef, MT Rayhani - Journal of Geotechnical and …, 2020 - ascelibrary.org
This paper presents pull-out capacity and creep behavior of a model helical pile and a
model grouted shaft helical pile installed in frozen ice-rich silt in Gloucester, Ontario …

Experimental and numerical study on pressure distribution under screw and straight pile in dense sand

HM Ho, AA Malik, J Kuwano, S Brasile… - International Journal …, 2022 - ascelibrary.org
A similar theoretical approach is generally used to estimate the end-bearing capacity of
straight and screw piles. However, under similar ground conditions (stress level and bearing …