IJMTES – IMPACT OF ISOLATION DAMPING ON THE REACTION OF BASE ISOLATED STRUCTURE

Journal Title : International Journal of Modern Trends in Engineering and Science

Paper Title : IMPACT OF ISOLATION DAMPING ON THE REACTION OF BASE ISOLATED STRUCTURE

Author’s Name : S Saravanan | R Shankar
unnamed

Volume 04 Issue 11 2017

ISSN no:  2348-3121

Page no: 18-19

Abstract – The version of pinnacle ground absolute acceleration and bearing displacement for diverse bi-linear systems below distinctive earthquakes is computed to observe the consequences of the form of the isolator hysteresis loop. The influence of the form of isolator pressure-deformation loop on the response of remoted structure is studied under the version of vital device parameters including isolator yield displacement, superstructure flexibility, isolation time period and variety of tale of the base-remoted shape. it’s miles determined that the code precise equal linear elastic–viscous damping version of a bi-linear hysteretic gadget overestimates the layout bearing displacement and underestimates the superstructure acceleration. The reaction of base-isolated structure is considerably encouraged through the form of hysteresis loop of isolator. The low cost of yield displacement of isolator (i.e. sliding kind isolation structures) has a tendency to boom the superstructure accelerations associated with high frequencies.

Keywords – Base Isolation,Earthquake, Elastomeric Bearing,Sliding System,Bearing Displacement,Superstructure Acceleration, Bi-linear Hysteresis, Equivalent Linear

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