A tie beam of a roof truss consists of an angle 90 mm × 90 mm × 8 mm is subjected to a load of 120 kN. The tie is connected to the gusset plate by welding. Design the joint, if the size of the weld is 6 mm. Take maximum allowable shear stress in the weld as 100 MPa. The distance between the neutral axis and the edges of the angle section are 28.7 mm and 61.3 mm respectively.

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