Keywords: Earthquake engineering, seismic isolation, testing specifications, heating effects, short- and long-duration motions, ASCE/SEI-7 Abstract: This report presents a methodology and describes ...

Keywords: Seismic isolation, triple friction pendulum bearing, modeling, heating effects, OpenSees Abstract: This report presents and verifies a revised model of the behavior of triple friction ...

Among the numerous cavernous buildings at the former Navy shipyard on Vallejo’s Mare Island is the home of Earthquake Protection Systems. For more than a quarter century, it has been manufacturing ...

Figure 1 displays a cutaway view of TMC’s Gimbal Piston™ isolator, which uses two air chambers instead of one. The chambers are connected by a small orifice. When the piston moves up and down, air is ...