Question

Wut unte. 02/06/2020, 12:00pm) Problem 1 (50 pts): For the beam shown, a) Determine the reaction forces at the supports b) Derive the loading, shear-force, and bending moment relationships (g(x), and c) Draw the V(x) and M(x) graphs and identify the locations of the maximum shear force and bending moment along the beam d) Determine the maximum tensile and compressive stresses e) Determine the maximum shear stress due to V 13 kN 50 mm -- -- 8 kN/m tro 150 mm 11.5m 50 mm 150 mm Cross section (enlarged) 4.5 m Problem 2 (50 pts): Problem 4-63 (Chapter 4, Edition 10th) Dahlem 3 (100 pts): This bar is made of AISI 1006 cold-drawn steel and is loaded by the forces F=0.55 kN, P=4.0 KN, and T = 25 N.m. a) Determine the reaction forces and moments at the fixed end Determine the stress elements at points A and B of the membrane te factors of safety based upon distortion energy theory for stress elements at A factors of safety based upon maximum shear stress theory for stress elements at and B d) Compute factors of safety based A and B e) If the bar is made of gra avoid yielding for theories ar is made of grade 30 cast iron, determine the minimum diameter of the bar to vielding for a safety factor of 2 based on Coulomb-Mohr and Modified-Mohr 15-mm D.

solve 1 and 3 please

Answer 1

Prob. I, 136H1 8 kHlm. Xroee, 50mm † 150mm N kok 15m 4,5 K150T a). dolermine the reaction let reaction at Be e are PB E Re. tatal Usifornly distribined wad = 8x4.5 = 36 KN ao RB+ Re = 36+13 [ZFv=07 = 49 KM - Eme=o (atves ao - 138 6 + RB X 4.5 - 18xu15] x 4.5 = 0 frame this we get RB = 35.33 KM a Re = UG-RB Jena egno 349-35.33 - 13.67 KM ao, creation at Btc. RB = 35. 33 kry. Re = 13.67 kr

Prol. 3. Oel! f olie 15 100mmit up en E=0.55KH, P=4KY E T=25 Nom deth reaction & jources & moments at fixed a -enel alue kry due to pranial yource] axial reaction culill be develop. Af= 0.55 due to R r tramvarce load] di horizontal bending will be come EM - Fxd + X000 X.100 = yo nom (1) ahear farce calco, come due to F.. SF = F = UKTY due to T aulating will be generaley & hence chear auld come. co renation at fixed kuint, A Axial renation = 0.55KH (tencile] benelling reaction = norm (Hoort die I london ilmioty moment & 25 N-m reation hear ferrce - U KN. [ ]