Recent Development and Application on Seismic Isolation, Energy Dissipation and Vibration Control in China

China is a seismic country which 100% of the territory locates in seismic zone. Most of strong earthquakes are over prediction. Most people dead caused by structures collapse. Earthquakes not only cause severe damages for structures, but also cause non-structural elements and inside facilities, cause to stop the city’s life, such as hospital, airport, bridge, and power plant, etc. Designers need to use the new techniques to protect the structures, non-structures, and inside facilities. Therefore, the structural isolation, energy dissipation and control are more and more widely used in recent years in China. There are nearly 16000 large or complex structures with isolation, and about 9000 structures with passive energy dissipation or hybrid control in China until 2021. The fields of application include house buildings, schools, hospitals, airports, bridges, power plant, historical or cultural relic protection, industries facilities, retrofit for existed structures, and immersed tunnel under sea or river. China has got some new progress and established relating systems of isolation, energy dissipation and vibration, which include 3D Seismic Isolation system (3DSI), Seismic and Vibration Control system (SVC), immersed Tunnel with Isolation and Energy Dissipation system (TIED), Hybrid TMD Control system for high rise buildings (HTMD), Eddy-Current Damping system (ECD) and Vortex Vibration Control system for bridges (VVC). Paper also introduces the systems of design codes and device standards, and three large scale and advanced testing systems for isolation, energy dissipation and vibration control. Paper also makes discussion for the tendency of development on seismic resistance, seismic isolation, passive and active control technique in the future in China and in the world.