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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
For the elastomeric bearing in Prob. 2.79 with b = 10 in. and α = 1 in., determine the shearing modulus G and the shear stress t for a maximum lateral load P = 5 kips and a maximum displacement
 = 0.4 in.
Prob. 2.79
An elastomeric bearing (G = 130 psi) is used to support a bridge girder as shown to provide flexibility during earthquakes. The beam must not displace more than 3/8 in. when a 5-kip lateral load is applied as shown. Knowing that the maximum allowable shearing stress is 60 psi, determine (a) the smallest allowable dimension b, (b) the smallest required thickness a.

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