Modeling strength degradation in lead–rubber bearings under earthquake shaking

IV Kalpakidis, MC Constantinou… - … engineering & structural …, 2010 - Wiley Online Library
Lead–rubber bearings are seismic isolators that have been used extensively to protect
buildings, bridges and mission‐critical infrastructure from the damaging effects of …

Experimental, numerical, and theoretical studies on vertical stiffness reduction of lead thick rubber bearings

Z Zhang, Y Zhou, MF Vassiliou - Construction and Building Materials, 2023 - Elsevier
Lead thick rubber bearings (LTRBs) are capable of mitigating vertical subway-induced
vibration and horizontal seismic force as well as adding supplementary damping. During …

Sensitivity analysis on mechanical characteristics of lead-core steel-reinforced elastomeric bearings under cyclic loading

M Ahmadipour, MS Alam - Engineering Structures, 2017 - Elsevier
This research conducts a sensitivity analysis on the mechanical properties of lead core
rubber bearings (LCRBs). Here, the input variables include: number of rubber layers, lead …

Compressive behavior of low shape factor lead-rubber bearings: Full-scale testing and numerical modeling

X Ren, W Lu, Y Zhu, Y He, T Li - Engineering Structures, 2020 - Elsevier
Low shape factor lead-rubber bearings, defined as bearings with relatively thick rubber
layers, have been confirmed by several studies to be feasible for vertical seismic isolation …

Hysteresis model of shape memory alloy wire-based laminated rubber bearing under compression and unidirectional shear loadings

FH Dezfuli, MS Alam - Smart Materials and Structures, 2015 - iopscience.iop.org
Smart lead rubber bearings (LRBs), in which a shape memory alloy (SMA) is used in the
form of wires, are a new generation of elastomeric isolators with improved performance in …

Explicit finite element analysis and experimental verification of a sliding lead rubber bearing

Y Wu, H Wang, A Li, D Feng, B Sha… - Journal of Zhejiang …, 2017 - Springer
Based on the explicit finite element (FE) software ANSYS/LS-DYNA, the FE model for a
sliding lead rubber bearing (SLRB) is developed. The design parameters of the laminated …

Sustainable base isolation: a review of techniques, implementation, and extreme events

D Patel, G Pandey, VK Mourya, R Kumar - Sādhanā, 2024 - Springer
Growing concerns about seismic events enforced structural engineers and architects to
embrace the hazardous effect of ground motion in design. To address this, researchers have …

Numerical modeling of elastomeric seismic isolators for determining force–displacement curve from cyclic loading

M Saedniya, SB Talaeitaba - International Journal of Advanced Structural …, 2019 - Springer
The ideal performance of seismic isolating systems during the past earthquakes has proved
them to be very useful in protecting structures against earthquakes. The cyclic loading …

Finite element modelling of an innovative passive energy dissipation device for seismic hazard mitigation

MD Titirla, PK Papadopoulos, IN Doudoumis - Engineering Structures, 2018 - Elsevier
Nonlinear finite element analyses of an innovative passive energy dissipation device,
referred to herein as CAR1, were conducted to investigate its behavior to dissipate seismic …

Multi-layered solid element for seismic analysis of rubber bearings considering stress continuity based on finite particle method

J Yao, Y Zheng, J Tang, S Wang, Y Luo, C Yang - Engineering Structures, 2024 - Elsevier
Rubber bearings are crucial components in seismic isolation systems to mitigate the
damaging effects of earthquakes on structures. Rubber bearings generally consist of …