THE IMPACT OF APPLYING BASE ISOLATOR IN HOSPITAL BUILDING

ABSTRACT: Due to Indonesia’s location in the earthquake zone, it is necessary for civil engineers in Indonesia  to study seismic performance of a building, which is strongly related to the structure of the building itself. Buildings equipped  with    vibration  damping  structures,  known  as  an  isolation  system,  will  have  a  different  seismic behavior than if it did not have one. This is due to the impact of an earthquake dampening vibration isolator. This final project analyzes the difference between seismic performance of a building using a seismic isolation system  and  ones  without.  The  conclusion  of  this  final  project  shows  that  the  isolation  system  will  decrease the internal force of a structure element by about 57.71% for axial force, 84.10% for shear, and 85.75% for moment. The application of an isolation system will also decrease the relative displacement by about 74,28% and extended structure vibration period by about 171.17 %.
Keyword: earthquake, seismic performance, isolation system
Author: Predaricka Deastra, Jati Sunaryati  dan Riza Aryanti
Journal Code: jptsipilgg140004

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