Elastomeric bearings

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Stiffness of the Elastomeric Bearing Pad

$k={\frac {GLW}{H}}$

where

$G$ ... shear modulus of elastomer
$L$ ... length of the bearing
$W$ ... width of the bearing
$H$ ... total elastomer height

External Links

Elastomeric Bridge Bearings: Recommeneded Test Methods, NCHRP Report 449, 2001]

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