Soil-pile-superstructure interaction effects in seismically isolated bridges under combined vertical and horizontal strong ground motions

A Dehghanpoor, D Thambiratnam, E Taciroglu… - Soil Dynamics and …, 2019 - Elsevier
This paper presents a deterministic analysis carried out to study the influence of coupled
vertical and horizontal ground motions on the response of an isolated bridge (or soil-pile …

[HTML][HTML] Seismic response analysis of piled raft with grid-form deep mixing walls under strong earthquakes with performance-based design concerns

K Yamashita, Y Shigeno, J Hamada, DW Chang - Soils and foundations, 2018 - Elsevier
A seismic response analysis of a piled raft foundation combined with cement deep mixing
walls (DMWs), supporting a 12-story base-isolated building under strong earthquakes, was …

Influence of pile spacing on seismic response of piled raft in soft clay: centrifuge modeling

J Yang, M Yang, H Chen - Earthquake Engineering and Engineering …, 2019 - Springer
In order to study the influence of pile spacing on the seismic response of piled raft in soft
clay, a series of shaking table tests were conducted by using a geotechnical centrifuge. The …

E-Defense shaking test and pushover analyses for lateral pile behavior in a group considering soil deformation in vicinity of piles

S Tamura, Y Ohno, K Shibata, H Funahara… - Soil Dynamics and …, 2021 - Elsevier
Large-scale E-Defense shaking table tests were performed using a 3× 3 pile group in dry
sand layers to clarify dynamic lateral pile behavior in a group. The mechanism behind the …

Influence of Embedment on Seismic Pile Group Response: Experimental and Numerical Investigations

R Varghese, A Boominathan, S Banerjee… - Journal of Bridge …, 2024 - ascelibrary.org
During seismic ground shaking, the motion of a soil–pile system is different from that of the
free field due to seismic soil–structure interaction (SSI). Kinematic soil–pile interaction is …

Performance Assessment of Reinforced Concrete Bridges Under Coupled Horizontal and Vertical Ground Motions Using Fragility Surfaces

A Dehghanpoor, D Thambiratnam… - Journal of Earthquake …, 2024 - Taylor & Francis
The objective of this study is to explore the seismic fragility of reinforced concrete bridges,
specifically in response to the vertical components of ground motions, utilizing fragility …

[HTML][HTML] Kinematic and inertial effects on piled rafts in soft ground supporting isolated and non-isolated buildings observed during the 2011 Tohoku earthquake

K Yamashita, J Hamada - Soils and Foundations, 2023 - Elsevier
Based on previous studies on the seismic monitoring of isolated (IS) and non-isolated (NI)
buildings supported by piled rafts with a DMW (deep mixing wall) grid, under similar soft-soil …

Coupled horizontal and vertical component analysis of strong ground motions for soil–pile–superstructure systems: application to a bridge Pier with soil–structure …

A Dehghanpoor, D Thambiratnam, T Chan… - Journal of Earthquake …, 2021 - Taylor & Francis
This study investigates the influence of vertical components (VCs) of seismic excitations on
the response of short and tall (slender) superstructures, and compares them with the system …

Effects of pile tip support condition on pile behavior under the action of a large earthquake

S Tamura, K Torii, N Iriguchi - Journal of Geotechnical and …, 2021 - ascelibrary.org
Effective methods for evaluating the bending moment of a pile caused by lateral forces at the
pile head are available. However, the effects of axial load variation caused by the …

Numerical and theoretical study on the settlement of capped piles composite foundation under embankment

MQ Liu, D Huang, YX Song… - Advances in Civil …, 2020 - Wiley Online Library
Capped piles are efficient in settlement control and have been widely used in the
reinforcement of soft soil foundations for high‐speed railways and highways. In this study …