SITUATION 2 A riveted bracket show in the figure is subjected to load P acting at an angle of e from the vertical. There are 8- 20mm diameter rivets, four on each column flange and two plates one on each column flange. P=35KN, 0 = 60°, a=300mm, b=450mm, e=250mm a. Determine the maximum moment experienced by the bolted connection b. Determine the force due to direct load carried by the most critical rivet c. Determine the force due to the induced moment carried by the most critical rivet d. Determine the maximum resultant load carried by the most critical rivet P ba two plates (One on each column flange) 8 rivets l(4 on each column lange) 0000

The lower ends of the members of a 4-bar pined-joint truss shown in the figure below are fixed in the x-y plane and a load is applied at the upper joint. The (x,y,z) coordinates of the base points A, B, C, D and the load point o are (8,0,0), (0,10,0), (-8,0,0), (0,-5,0), and (0,-20,20) respectively. O x 3 D A 2 یاه 13-1 2 B J The relative cross sectional areas of the members are A₁ = 1/2, A2 = 1, A3=A4 = 14. The bars have an axial stiffness ki =A¡E. The load P applied at point O causes a displacement at O, d =(0,v,w). (i) Write the equilibrium equations for the truss in terms of the displacements v and w. (ii) Determine the loads in the truss members in terms of the load P and the modulus E.

4 - A rectangular block is loaded with a 180 kN axial force and a moment M, as shown in the figure. If the maximum allowable tensile stress is 50 MPa, what is the allowable magnitude of the moment? 60mm 100mm Z cross-section 9₁ 180KN -X M elevation view

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