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The plate shown is attached by using three M12x2 grade 8.8 bolts. Which screw is subjected to the largest stress? What safe load ( static) F can be supported by the screw for n=1.5.

Given: The L8x4x½ shown below is welded to the gusset plate by its long leg. L₁ = 10" and L₂ = 7.5". L₁ L₂ Determine the gross area. 5.80 in² Calculate the length of the connection. 8.75 Calculate the eccentricity of the connection. 0.854" Calculate the width of the connected element. Calculate the value of the shear lag factor. Calculate the effective net area. in² II

Rigid bar ABC is supported by member (1) at B and by a pin connection at C. Member (1) has a cross sectional area of 1.35 in.² and a yield strength of 45 ksi. The pins at B, C, and D each have a diameter of 0.7 in. and an ultimate shear strength of 78 ksi. Each pin connection is a double-shear connection. Specifications call for a minimum factor of safety in member (1) of 1.5 with respect to its yield strength. The minimum factor of safety required for pins B, C, and D is 2.9 with respect to the pin ultimate shear strength. Determine the allowable load P that may be applied to the rigid bar at A. Use overall dimensions of a = 46 in. and b = 94 in. D (1) b A kips P Answer: Pallow= i a B