Base Isolation Bearings are used to modify the transmission of the forces from the ground to the building.
Ontario is susceptible to earthquakes, settlement of alluvial deposits that underlie the region, and subsidence caused by rapid withdrawal of groundwater. Energy-Dissipating Devices: Making the building structure more resistive will increase shaking which may damage the contents or the function of the building. Close this window and log in. Second, performance-based requirements, which may exceed the minimum life safety requirements of current seismic codes, must be established to respond appropriately to the threats and risks posed by natural hazards on the building's mission and occupants.