Two 8-in-wide wooden boards are to be joined by splice plates that will be fully glued onto the contact surfaces, as shown in the figure. The glue to be used can safely provide a shear strength of 145 psi. Determine the smallest allowable length L that can be used for the splice plates for an applied load of P = 20,000 lb. Note that a gap of a = 0.4 in. is required between boards (1) and (2). P P (1) (2) Ancwer:

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Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.