Displacement-based design of axially loaded piles for seismic loading and liquefaction-induced downdrag

SK Sinha, K Ziotopoulou, BL Kutter - Journal of Geotechnical and …, 2023 - ascelibrary.org
Axially loaded piles in liquefiable soils can undergo severe settlements due to a shaking
event. During shaking, the settlement is caused by the reduction of its shaft and tip capacity …

Effects of excess pore pressure redistribution in liquefiable layers

SK Sinha, K Ziotopoulou, BL Kutter - Journal of Geotechnical and …, 2024 - ascelibrary.org
Existing simplified procedures for evaluating soil liquefaction potential or for estimating
excess pore pressures during earthquakes are typically based on undrained cyclic tests …

Numerical modeling of liquefaction-induced downdrag: Validation against centrifuge model tests

SK Sinha, K Ziotopoulou, BL Kutter - Journal of Geotechnical and …, 2022 - ascelibrary.org
Earthquake-induced soil liquefaction can cause soil settlement around piles, resulting in
drag load and pile settlement after shaking stops. Estimating the axial load distribution and …

Adequacy of batter piles under seismic conditions: A review of past performances and investigations

JS Rajeswari, R Sarkar - Structures, 2024 - Elsevier
Foundations are subjected to large lateral loads during earthquakes. Further, liquefaction
and subsequent lateral spreading, observed in almost all major earthquakes, have …

Efficient numerical implementation for nonlinear analysis of pile-supported structures during soil liquefaction through adaptive pile element formulations

W Ouyang, AR Liang, SW Liu - Soil Dynamics and Earthquake Engineering, 2023 - Elsevier
The structural behavior of pile-supported structures during soil liquefaction is sometimes
insufficiently investigated properly due to the inefficiency in the existing line finite element …

Inertial and kinematic interactions of bridge‐pile group subjected to liquefaction induced lateral spreading: Large‐scale shaking table experiments

K Jia, C Xu, MH El Naggar, P Dou… - … & Structural Dynamics, 2023 - Wiley Online Library
This paper investigates the seismic bridge‐pile‐soil system failure mechanisms due to
liquefaction‐induced lateral spreading. Two large‐scale shaking table tests were performed …

Effects of soil crust on seismic failure behavior of pile group–bridge system during liquefaction-induced lateral spreading: large-scale shake table experiments

K Jia, C Xu, MH El Naggar, C Cui… - Journal of Geotechnical …, 2023 - ascelibrary.org
Two large-scale shake table experiments were conducted to study the seismic pile group–
bridge soil system failure mechanisms and examine the role of soil crust in lateral spreading …

Comparison between free-and fixed-head pile group responses under lateral spreading in the presence of protection piles using shake table tests

M Khorashadizadeh, MA Hosseini… - International Journal of …, 2024 - ascelibrary.org
Many instances of severe damage to pile foundations and pile-supported infrastructures
have been caused by liquefaction-induced lateral spreading during major earthquakes …

Examining the role of liquefiable layer thickness and depth on the seismic lateral response of piles through numerical analyses

A Ari, S Demir, P Özener - International Journal of Geomechanics, 2023 - ascelibrary.org
In nature, soil layers possess large variability during their geological process. This variability
may also lead to differences in the location and thickness of nonliquefiable and liquefiable …

Seismic behavior of piles-supported pier-superstructure to liquefaction-induced lateral spreading considering variability of soil permeability

K Jia, MH El Naggar, C Xu, J Song… - Canadian …, 2024 - cdnsciencepub.com
This study characterizes the effect on different engineering demand parameters owing to
lateral spreading caused by liquefaction. 1 g large-scale shaking table experiments were …