Seismic fragility analysis of LRB-isolated bridges considering the uncertainty of regional temperatures using BP neural networks

Y Shi, L ** rubber bearings including thermo-mechanical coupled effect
Y Tan, J Dang, A Igarashi, T Himeno, Y Hamada - Engineering Structures, 2023 - Elsevier
In the application of High Dam** Rubber (HDR) bearings as seismic isolation devices for
bridges in cold regions, there are concerns about the low temperature effect on the …

Modifications in both lead and rubber properties of lrbs at low temperatures considering the size effect

C Yasar, V Karuk, E Cavdar, G Ozdemir - Engineering Structures, 2024 - Elsevier
This study investigates the contribution of rubber and lead core to amplification in
mechanical properties of lead rubber bearings (LRBs) when subjected to cyclic motion after …

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 …

Modelling of elastomeric bearings with application of Yeoh hyperelastic material model

M Gajewski, R Szczerba, S Jemioło - Procedia Engineering, 2015 - Elsevier
The application of the hyperelasticity constitutive relationships for modelling of elastomeric
bridge bearings is presented. Elastomers which are used for bridge bearings are nearly …

Effects of temperature and lead core heating on response of seismically isolated bridges under near-fault excitations

H Wang, WZ Zheng, J Li… - Advances in Structural …, 2019 - journals.sagepub.com
Seismic responses of bridges isolated by lead rubber bearings under near-fault excitations
are presented in this article. A bilinear force-deformation model is employed to represent the …

Reliability of elastomeric-isolated buildings under historical earthquakes with/without forward-directivity effects

H Gazi, C Alhan - Engineering structures, 2019 - Elsevier
Deviations from nominal design values of mechanical characteristics of seismic isolators are
inevitable due to uncertainties and/or errors in material properties, element dimensions …

The role of shear modulus on the mechanical behavior of elastomeric bearings when subjected to combined axial and shear loads

KN Kalfas, NG Amirabad, D Forcellini - Engineering Structures, 2021 - Elsevier
Multi-layered elastomeric bearings (EB) are used extensively in civil structures and
infrastructures, due to their ability to mitigate the movements that structures such as …

Effects of temperature, analysis and modelling uncertainties on the reliability of base-isolated bridges in Eastern Canada

M Nassar, L Guizani, MJ Nollet, A Tahan - Structures, 2022 - Elsevier
The seismic response of base-isolated bridges depends strongly on the seismic isolation
system (SIS) properties, which typically vary under the effect of multiple conditions, such as …

Amplification in mechanical properties of a lead rubber bearing for various exposure times to low temperature

C Yasar, V Karuk, O Kaplan, E Cavdar, G Ozdemir - Buildings, 2023 - mdpi.com
In this paper, new formulations to predict the change in mechanical properties, namely, post-
yield stiffness and characteristic strength of lead rubber bearings (LRBs) at low ambient …