Footings under seismic loading: Analysis and design issues with emphasis on bridge foundations

G Mylonakis, S Nikolaou, G Gazetas - Soil Dynamics and Earthquake …, 2006 - Elsevier
The paper provides state-of-the-art information on the following aspects of seismic analysis
and design of spread footings supporting bridge piers:(1) obtaining the dynamic stiffness …

A cyclic py elastoplastic model applied to lateral loaded pile in soft clays

X Cheng, D Lu, P Wang - Dynamic Analysis of Offshore Wind Turbine …, 2024 - Springer
The py method as a simplified analysis tool has been widely used to analyze the behavior of
laterally loaded piles. This chapter develops a novel cyclic py elastoplastic model within the …

Development of Winkler model for static and dynamic response of caisson foundations with soil and interface nonlinearities

N Gerolymos, G Gazetas - Soil Dynamics and Earthquake Engineering, 2006 - Elsevier
As an extension of the elastic multi-spring model developed by the authors in a companion
paper [Gerolymos N, Gazetas G. Winkler model for lateral response of rigid caisson …

Influence of pile-soil interaction on dynamic properties and response of offshore wind turbine with monopile foundation in sand site

S Shi, E Zhai, C Xu, K Iqbal, Y Sun, S Wang - Applied Ocean Research, 2022 - Elsevier
In this study, a sophisticated 3D finite element model of NREL 5MW wind turbine (WT)
superstructure is developed using Abaqus, which includes necessary functional features …

Generalized dynamic Winkler model for nonlinear soil–structure interaction analysis

N Allotey, MH El Naggar - Canadian Geotechnical Journal, 2008 - cdnsciencepub.com
The beam on nonlinear Winkler foundation (BNWF) model is widely used in soil–structure
interaction (SSI) analysis owing to its relative simplicity. This paper focuses on the …

[HTML][HTML] A memory-enhanced py model for piles in sand accounting for cyclic ratcheting and gap** effects

E Kementzetzidis, F Pisanò, AV Metrikine - Computers and Geotechnics, 2022 - Elsevier
The analysis of cyclically loaded piles is acquiring ever greater relevance in the field of
geotechnical engineering, most recently in relation to the design of offshore monopiles. In …

[HTML][HTML] Fukae bridge collapse (Kobe 1995) revisited: New insights

L Sakellariadis, I Anastasopoulos, G Gazetas - Soils and Foundations, 2020 - Elsevier
The paper revisits the notorious collapse of 18 spans of the elevated Route No. 3 of Hanshin
Expressway during the 1995 Kobe earthquake. The overturned deck was monolithically …

On the mechanisms governing the response of pile groups under combined VHM loading

L Sakellariadis, I Anastasopoulos - Géotechnique, 2022 - icevirtuallibrary.com
In this paper, an experimental, numerical and analytical study is conducted on a 2× 1 bored
pile group on saturated sand under combined loading. Initially, a single-degree-of-freedom …

Dynamic py curves for dry sand from centrifuge tests

MT Yoo, JI Choi, JT Han, MM Kim - Journal of earthquake …, 2013 - Taylor & Francis
In this article, the simplified dynamic py backbone curve was suggested through a series of
dynamic centrifuge tests. The centrifuge tests were carried out for a single pile in dry sand …

Quantitative analysis and modification of dynamic py curve model for offshore wind turbines considering earthquake history effect based on deep learning

Z Zhang, J Zhang, X Wu, Y Wang - Ocean Engineering, 2024 - Elsevier
This paper presents a method for quantitatively analyzing the influence of earthquake history
on the pile-soil dynamic interaction for offshore wind turbines, and then modifying the …