Geotechnical Seismic Isolation (GSI): State of the art

Abstract

Geotechnical Seismic Isolation (GSI) is a category of seismic isolation techniques that are in direct contact with geomaterials and of which the isolation mechanism primarily involves geotechnics. It is an advanced resilient seismic design approach that can fulfil the damage avoidance performance objectives, consistent with conventional Structural Seismic Isolation. GSI is future focused and well-positioned to play a complementary role in building a safer and more resilient world. This article aims to provide a state-of-the-art overview of this new branch of knowledge in the field of earthquake engineering. The overarching vision and the scientific principles of the four branches of GSI systems will be discussed, explained and clarified. Also, a non-exhaustive bibliography of major development of GSI is provided in chronological order.