Comparative Analysis of Lead Rubber Bearing and Friction Pendulum Bearing


  • Qais F. Hasan, Dler A. Al-Mamany


Base isolation approach has become a critical segment to improve unwavering quality during a seismic earthquake. In now day by day's base detachment has become a relentlessly applied essential arrangement technique for structures and frameworks in significantly seismic zones in all viewpoint. The generally used separation system is Lead Rubber Bearing, Laminated Rubber Bearing and Friction Pendulum, channel Method, Pile Method and Damper part. Base separation is one of the most present day strategy and broadly acknowledged seismic insurance framework utilized in the structure in Earthquake inclined territories. The base detachment framework isolates the structures from its establishment and essentially moves it comparative with that of the super structure. The objective of this project is to comprehend the seismic exhibition of a G+10 unpredictable structure made of three distinct materials, for example, RCC, Steel and Composite with Lead Rubber Bearing (LRB) and Friction Pendulum Bearing (FPB) base isolation framework and to contrast the seismic reaction and without base isolation  utilizing Response spectrum method in ETABS-2015 software. The reaction of the structure, for example, time period, base shear, story drifts and story displacements are studied and comparison is made. From this study it can also be concluded that it is better to provide isolation systems in seismic prone areas rather than providing fixed base and among two isolators used here FPB performs better than LRB for all the structures.