751. A timber beam with a square cross section supports the loads shown in Fig. P-751.Determine the cross-sectional dimensions if the allowable flexural stress is 1450 psi.What is the maximum shearing stress developed in the beam?450 lb200 lb/ft3 ft--9 ft-Figure P-751

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Answered: 751. A timber beam with a square cross…

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.1.3P

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Two pieces of lumber having square section (b x b) are arranged and supported as shown. The horizontal lumber is hinged at the left and free at right. The right end carries a concentrated load P. The vertical lumber supports the horizontal lumber at the midspan. Find the following: a) maximum shear stress, b) maximum bending stress, and c) maximum compressive stress. Hinge DATA FOR PROBLEM P L b (N ) (m ) (m m ) (m m ) 6 5040 1.47 140 140
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