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posted by  KrisR on 11/5/2009 8:37:26 PM  |  status: Live  |  Earned Karma: 48

Mechanics of Materials Help

Course Textbook Chapter Problem Needs by
N/A N/A N/A N/A 11/13/2009 at 12:00:00 PM
Question Details:
Two 2 x 8 boards are attached together by screws that are spaced at regular intervals Δx = 12 in. along the length of the beam to form the inverted tee beam shown below:
 
Each screw has an allowable shear-force capacity of  V= 480 lb. If the beam supports a single concentrated load P at the center and is simply supported, what is the maximum allowable load P?
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