Question: 1 5 . 5 5 An 8 - in . - wide by 1 2 - in . - deep redwood timber beam ( S

15.55 An 8-in.-wide by 12-in.-deep redwood timber beam (S4S) is used as a 20-ft-long simply supported beam. Compute the concentrated load at
midspan that will cause a bending stress of 1350 psi. Compute the deflection at midspan and at the quarter points.
1 5 . 5 5 An 8 - in . - wide by 1 2 - in . - deep

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