For some structures, low-damping isolators can significantly reduce construction costs. In these cases, standard laminated bearings can provide approximately 5% damping. Since this type of bearing is very common, its use as an isolator is very cost-effective.
High-damping rubber bearings are built in the same way as standard laminated bearing pads, but with a different rubber compound that provides more damping. This increased damping is provided by additives mixed into the rubber during its manufacturing process. High-damping rubber bearings can provide approximately 10% damping. They are another cost-effective method to provide damping to a structure.
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