Effect of two horizontal components of earthquake on nonlinear response of torsionally coupled base isolated structures

F Khoshnoudian, AI Azad - The Structural Design of Tall and …, 2011 - Wiley Online Library
Torsion in base‐isolated structures using bilinear rubber isolators effected by two horizontal
components of earthquake simultaneously is investigated under various principal …

Nonlinear response of a torsionally coupled base-isolated structure

F Khoshnoudian, N Azizi - Proceedings of the Institution of Civil …, 2007 - icevirtuallibrary.com
Torsion in base-isolated structures with inelastic elastomeric isolation systems owing to
earthquakes is studied under various parametric variations using the finite element method …

Base-isolated building with asymmetries due to the isolator parameters

VA Matsagar, RS Jangid - Advances in Structural …, 2005 - journals.sagepub.com
The effects of torsional coupling, due to isolator parameters, on the seismic response of
base-isolated buildings are presented. The isolated building is modelled as a single-storey …

Seismic behavior of torsionally coupled base-isolated structures

M Fallahian, F Paytam… - Proceedings of the …, 2016 - icevirtuallibrary.com
The torsion in the seismic behaviour of base-isolated structures due to two horizontal
components of ground motion was studied, simultaneously. To this end, the variation in …

Seismic response of asymmetric steel isolated structures considering vertical component of earthquakes

F Khoshnudian, D Motamedi - KSCE Journal of Civil Engineering, 2013 - Springer
The concept of isolated structure is to separate the structure from harmful effects of
earthquakes by introducing bearing. Regarding earthquakes such as the Bam and Kobe …

A parametric study on torsionally coupled base-isolated structures

G Bhatt - Emerging Trends in Civil Engineering: Select …, 2020 - Springer
Extensive studies on the behaviour of base-isolated symmetrical structures have been
carried out everywhere throughout the world. However, limited work has been reported on …

Torsion in base-isolated structures with elastomeric isolation systems

S Nagarajaiah, AM Reinhorn… - Journal of structural …, 1993 - ascelibrary.org
Torsion in base-isolated structures with inelastic elastomeric isolation systems due to
bidirectional lateral ground motion is studied. In a companion paper by the writers, torsional …

A proposed approach to mitigate the torsional amplifications of asymmetric base-isolated buildings during earthquakes

S Etedali, MR Sohrabi - KSCE Journal of Civil Engineering, 2016 - Springer
In this paper, the rotational behavior of asymmetric base-isolated buildings is compared with
the similar asymmetric fixed-base buildings. A vast range of lead rubber bearings with …

[PDF][PDF] Torsional response of base-isolated structures due to stiffness asymmetries of the isolation system

A Tena-Colunga, C Zambrana-Rojas - Proceedings, 13th world conference …, 2004 - iitk.ac.in
The torsional response of base-isolated structures when eccentricities are set in the isolation
system is presented. Nonlinear dynamic analyses were used to study peak responses for …

Base isolation for torsion reduction in asymmetric structures under earthquake loading

DM Lee - Earthquake Engineering & Structural Dynamics, 1980 - Wiley Online Library
This paper examines the effectiveness of a bilinear hysteretic base isolation system in
lowering the shear forces and torques generated in a structure by two‐way, translatory …