Dynamic torsional impedance of large-diameter pipe pile for offshore engineering: 3D analytical solution

Y Zhang, MH El Naggar, W Wu, Z Wang, X Yang… - Applied Mathematical …, 2022 - Elsevier
Wind-induced or current-induced torsional vibration is a long-neglected issue for offshore
engineering (eg, offshore wind turbines, offshore oil platforms, etc.). As the dimension of the …

[HTML][HTML] Identification of bored pile defects utilizing torsional low strain integrity test: Theoretical basis and numerical analysis

Y Zhang, H Ji, L Zhang, MH El Naggar, W Wu - Journal of Rock Mechanics …, 2024 - Elsevier
The torsional low strain integrity test (TLSIT), known for its advantages such as a smaller
detection blind zone, improved identification of shallowly buried defects, stable phase …

Analytical solution for single pile in two-layered soil subjected to torsion

S Basack, H Khabbaz - Geomechanics and Geoengineering, 2024 - Taylor & Francis
Pile foundations are often used to support large structures including wide and high
commercial buildings, offshore and onshore structures, bridges and transport corridors …

Torsional low-strain test for nondestructive integrity examination of existing high-pile foundation

Y Zhang, MH El Naggar, W Wu, Z Wang - Sensors, 2022 - mdpi.com
Low-strain tests are widely utilized as a nondestructive approach to assess the integrity of
newly piled foundations. So far, the examination of existing pile foundations is becoming an …

Torsional vibration of a pile in unsaturated soil considering the construction disturbance

Z Li, C Zhao, Y Xi, N Jin, Y Gao - Computers and Geotechnics, 2024 - Elsevier
Based on the motion theory of three-phase poroelastic medium, the torsional vibration of a
pile in unsaturated soil is investigated contemplating the impact of construction disturbance …

Torsional dynamic response of an end-bearing pile in homogeneous unsaturated transversely isotropic soil

W Ma, B Wang, S Zhou, EC Leong, C Wang - Ocean Engineering, 2024 - Elsevier
Considering the soil skeleton to be statically transversely isotropic, the viscous and inertial
coupling among three phases, along with the capillary pressure, the torsional dynamic …

A hybrid formulation for torsional dynamic response of pile foundations in a layered soil deposits

BK Gupta - Computers and Geotechnics, 2024 - Elsevier
In the paper, a brief literature review on pile foundations subjected to torsional loads (static
and dynamic) and embedded in linear elastic and viscoelastic soil deposits is provided …

Dynamic Torsional Response of Pile in Fractional‐Order Viscoelastic Unsaturated Transversely Isotropic Soil With Imperfect Contact

W Ma, EC Leong, X Wang, B Wang… - … for Numerical and …, 2025 - Wiley Online Library
ABSTRACT A novel theoretical model is proposed to investigate the torsional response of a
pile in fractional‐order viscoelastic unsaturated transversely isotropic soil with imperfect …

[HTML][HTML] Dynamic impedances of multiple strips on multi-layered transversely isotropic poroelastic soils

T Senjuntichai, B Phulsawat, S Keawsawasvong… - Forces in …, 2024 - Elsevier
Geo-materials naturally display a certain degree of anisotropy due to various effects such as
deposition. Besides, they are often two-phase materials with a solid skeleton and voids filled …

Torsion of end-bearing pile foundations in layered anisotropic geomaterials

BK Gupta - Geomechanics and Geoengineering, 2024 - Taylor & Francis
An analysis for the torsional dynamic response of end-bearing pile foundations embedded
in a layered transversely isotropic geomaterial (soil/rock) is presented. The deformation of …