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 …

Alternant active and passive trapdoor problem: from experimental investigation to mathematical modeling

Y Wu, Y Zhao, Q Gong, JG Zornberg, S Zhou, B Wang - Acta Geotechnica, 2022 - Springer
In the classical conception of the arching mechanism, the well-known trapdoor problem
assumes distinctive modes (eg, either active or passive mode) in the original geostatic …

[PDF][PDF] A review of the advancement of helical foundations from 1990–2020 and the barriers to their expansion in developing countries

ME Mahmoudi-Mehrizi, A Ghanbari - J. Eng. Geol, 2021 - jeg.khu.ac.ir
The use of piles, helical anchors, in general, helical foundations has considerably increased
in the last 30 years. The adoption of this technology in the international and domestic codes …

Enhancing pullout load capacity of helical anchor in clay with adjusted load application point under inclined loading condition

J Lee, J Lee - Journal of Geotechnical and Geoenvironmental …, 2022 - ascelibrary.org
In this study, the effect of load application point (zp) on the load capacity (Q u) of helical
anchors under inclined loading condition was investigated. For this purpose, coupled …

A new modified approach to evaluating the installation power of large-diameter helical piles in sand validated by centrifuge and field data

K Shao, Q Su, K Liu, G Shao, Z Zhong, Z Li… - Applied Ocean …, 2021 - Elsevier
Helical pile (screw pile) is becoming increasingly popular in emerging pile foundation
techniques for offshore structures. Its installation parameters (ie, installation force, torque …

Centrifuge model tests on an anchor pile under cyclic oblique pullout load using transparent sand

G Luo, Z Wang, G Kong, Y Zhang, Q Yang… - Marine Georesources …, 2024 - Taylor & Francis
Cyclic load on anchor piles of single point mooring systems is an important issue, and the
cyclic behavior of anchor piles has a connection with the surrounding soil displacement …

Collision simulations between an icebreaker and an iceberg considering ship hydrodynamics

DH Yoon, SY Jeong, J Choung - Ocean Engineering, 2023 - Elsevier
This paper examines the motion and structural damage of an icebreaker caused by a
collision between an icebreaker and an iceberg based on coupling of potential flow theory …

Effects of installation advancement rate on helical pile helix behavior in very dense sand

MM Annicchini, JA Schiavon, CHC Tsuha - Acta Geotechnica, 2023 - Springer
During installation, the helical pile should penetrate into the ground at a rate equal to one
helix pitch per rotation to prevent additional soil disturbance, as usually recommended in …

[HTML][HTML] Model testing study on engineering performances of circular helicoid piles during the whole process of installation and bearing in sandy soil

K Wang, C Cui, J Ren, N Yasufuku, G Xu - Soils and Foundations, 2022 - Elsevier
The circular helicoid pile (CH pile) is a new type of special-shaped pile that has been
developed in Japan and South Korea in the past decade and has been widely used in the …

Experimental study on microbubble drag reduction on soil-steel interface

H Yang, Z Guo, Y Li, H Wang, Y Dou - Applied Ocean Research, 2021 - Elsevier
The soil-structure interface behavior is an important concern in ocean engineering design. In
some cases, it is necessary to reduce the drag of structure, especially the shear stress on the …