11-54. The overhang beam is constructed using two 2-in. by 4-in. pieces of wood braced as shown. If the allowable bending stress is s allow = 600 psi, determine the largest load P that can be applied. Also, determine the associated maximum spacing of nails, s , along the beam section AC if each nail can resist a shear force of 800 lb. Assume the beam is pin-connected at A , B , and D . Neglect the axial force developed in the beam along DA . | |
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