Stravibase SpringBox* bearings are pre-compressed spring bearings for structural isolation of buildings and structures.

Main Benefits

• Can be designed to meet natural frequencies anywhere between 3Hz and 5Hz
• Easily replaceable
• Limits deflection of the building during construction
• Easy to install
• Lifespan greater than 50 years
• High lateral stiffness
• Easily adapted to meet different loads and performance requirements

Design Requirements

• Natural frequency requirement
• Working dead and live loads on each contact point
• Lateral and turning forces at each support point
• Contact areas and dimensions
• Locations of any fixing down bolts
• Fire protection requirements
• Maximum likely dynamic forces caused by earthquakes

*Previously known as CDM-CHR-BOX