Question

Part The assembly consists of two posts AD and CF made of A 36 steel and having a cross sectional wrea of 1000 mt' and a 2014-T aluminum post BE having a cross-sectional area of 1400 mm a central load of 400 kN is applied to the rigid cap, determine the normal stress in each post. There is a smal gap of 0 mm between the post and the member ABC Figure 1) Enter your answers, operated by commas 000 AED C O ? GAD. . . MPS Submit Request Provide Feedback

Answer 1

8-0.08 40KN 0.5m & 0.5m, At 0.08 1 B 0 17 final Pouton S Tapi Ismm -4M- AB, CF be Pag forces in ay let and Assuming s70.08mm initially and let forces in BE be P₂ KN from centre) Force in AB = Force in or (as they are eque distant EMB=0 zty=0 & P2 + 20 = 400 – EA 36 steel = 200 Gira S-PL) SAD - SCF = (Pix1000)x 400 E2014-Tool -"73 G Pa 1000x (200x103) SAD=0.002 P. mm SBE = (Pax1000) x(400-008) - 0.0039 M2 mm 1400 m (73x 103) SBE = SAD - 0.08 0.0039 P2 = 0.002P, -0.00 - in ① and @ from equation Pi= 167.346 KN Q R = 68.306 KN Check S= true. 0.002X167.346 = 0.33 mm 0.08 mm our initial assumption is (TP/A = 167.346 MPa VAB 167.346 x 1000 100 O 167-346 MPa same TCF = = 46.647 MPa TBE = 65.30661000 1400