Objectives and Design Philosophy; Disadvantages; Need for a Different Design Approach.

The Concept; Basic Components; Advantages and Applications of Seismic Isolation; Comparison of a Fixed Supported and a Seismically Isolated Structure; Constraints in the Implementation; Limitations; Factors Which Enable the Use of Seismic Isolation; Economics of Seismic Isolation; Reasons for the Lack of Extensive Use of Seismic Isolation.

Types of Seismic Isolation Systems; Sliding Isolation Systems; Elastomeric Isolation Systems; Elastomeric Bearings: Mechanical and Physical Characteristics.

Introduction; Seismic Isolation in the United States; Seismic Isolation in Japan; Seismic Isolation in New Zealand; Seismic Isolation in Italy; Observed Performance of Seismically Isolated Structures.

Seismic Isolation of Buildings; Seismic Isolation of Bridges; Maintenance and Management of the Isolation System; Code Requirements.

Modeling of Response; Natural Modes of Vibration; Linear Systems; Bilinear Systems; Comparative Study of a Linearly and a Bilinearly Isolated Structure; Linearization of Bilinear Behavior; Effect of the Degree of Non-Linearity; Effect of Superstructure Stiffness; Modeling of Seismically Isolated Bridge Structures; Ductility of Seismically Isolated Structures.

Introduction; A Feasibility Study for the Use of Seismic Isolation; Determination of Peak Ground Acceleration; Design of the Superstructure; Selection of a Suitable Isolation System; Preliminary Design of the Isolation System; Issues of Concern at the Final Analysis Stage.

Summary; Future of Seismic Isolation.

Single Degree of Freedom Systems; Multi Degree of Freedom Systems.