SENSITIVITY OF RESPONSE OF ISOLATED BRIDGES TO MODELING AND DESIGN PARAMETERS - A CASE STUDY

The concept of base isolations in bridges implies that structural components should experience limited inelastic behavior associated only with minor damage. Most isolation systems are designed to eliminate altogether inelastic behavior. The estimation uncertainties during the design process of the future ground motions, associated with the uncertainties involved in the constructed practice, leave the possibility that the entire system will ecperience inelastic behavior with permanent deformations and damage.(AU)