Seismic reliability of structures equipped with LIR‐DCFP bearings in terms of superstructure ductility and isolator displacement

G Auad, P Castaldo, JL Almazán - Earthquake Engineering & …, 2022 - Wiley Online Library
This research deals with the seismic reliability of non‐linear base‐isolated structures
equipped with Lateral Impact Resilient Double Concave Friction Pendulum (LIR‐DCFP) …

Seismic reliability‐based ductility demand evaluation for inelastic base‐isolated structures with friction pendulum devices

P Castaldo, B Palazzo… - Earthquake engineering & …, 2017 - Wiley Online Library
The aim of this work is to propose seismic reliability‐based relationships between the
strength reduction factors and the displacement ductility demand of nonlinear structural …

A direct displacement-based design procedure for base-isolated building structures with lead rubber bearings (LRBs)

K Ye, Y Xiao, L Hu - Engineering Structures, 2019 - Elsevier
This paper proposes a direct-displacement based design (DDBD) procedure, to make base-
isolated building structure with lead-rubber bearing (LRBs) satisfy the performance …

Seismic reliability-based design of hardening and softening structures isolated by double concave sliding devices

P Castaldo, G Alfano - Soil Dynamics and Earthquake Engineering, 2020 - Elsevier
This study proposes seismic reliability-based design relationships in terms of behavior
factors and displacement demands for softening and hardening structures equipped with …

Seismic reliability‐based ductility demand for hardening and softening structures isolated by friction pendulum bearings

P Castaldo, B Palazzo, G Alfano… - Structural Control and …, 2018 - Wiley Online Library
This study aims at proposing seismic reliability‐based relationships between the behavior
factors and the displacement demand for nonlinear hardening and softening structures …

Influence of ground motion characteristics on the optimal single concave sliding bearing properties for base-isolated structures

P Castaldo, E Tubaldi - Soil Dynamics and Earthquake Engineering, 2018 - Elsevier
This study examines the influence of ground motion characteristics on the optimal friction
properties of single concave sliding bearings employed for the seismic isolation of structural …

Optimal design of friction pendulum system properties for isolated structures considering different soil conditions

P Castaldo, M Ripani - Soil Dynamics and Earthquake Engineering, 2016 - Elsevier
This study aims at evaluating the optimal properties of friction pendulum bearings to be
employed for the seismic protection of elastic isolated structural systems under earthquake …

Rolling and rocking of rigid uplifting structures

JA Bachmann, MF Vassiliou… - … & Structural Dynamics, 2019 - Wiley Online Library
Allowing structures to uplift modifies their seismic response; uplifting works as a mechanical
fuse and limits the forces transmitted to the superstructure. However, engineers are …

Seismic response of sliding equipment and contents in base‐isolated buildings subjected to broadband ground motions

D Konstantinidis, F Nikfar - Earthquake engineering & …, 2015 - Wiley Online Library
Base isolation has been established as the seismic design approach of choice when it
comes to protecting nonstructural contents. However, while this protection technology has …

Failure of double friction pendulum bearings under pulse‐type motions

Y Bao, TC Becker, H Hamaguchi - Earthquake Engineering & …, 2017 - Wiley Online Library
Although the behavior of friction sliding bearings is well understood, the failure behavior has
not been thoroughly investigated. However, predicting and understanding the failure of …