Answer Happy

Subject: Mechanics of the Deformable bodies
please answer the following
4. The figure below shows a roof truss and the detail of the riveted connection at joint B. Using allowable stresses of t = 70 MPa and ob = 140 MPa, how many 22-mm diameter rivets are required to fasten member BC to the gusset plate? Member BE? What is the largest average tensile or compressive stress in BC and BE? 14 mm gusset plate F 6 m E G H 4m 4m 4m 4 m 75 x 75 x 13 mm 96 kN 200 KN 96 KN Figure P-130 and P-131 PBC 75 x 75 x 6 mm P-13164, 44.94