Stravibase SpringBox
Pre-compressed Spring 
Bearing

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
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