(Solved): steel design solve All problem if complete answer and solution I give you thump up if complete answe ...

steel design solve All problem if complete answer and solution I give you thump up if complete answer and solution

 

Situation 6. A 20 W14x34 propped beam carries the following service loads: a. A concentrated dead load of 8 kips at the midspan. b. A concentrated live load of 24 kips at the midspan. Lateral supports are provided at the points of support and point of load. Given: Beam Section W14x34 Weight, W = 34 lb/ft Area, A 10 in^2 Depth, d = 14 in Flange Width, b_f= 6.75 in Web Thickness, t_w= 0.285 in Flange Thickness, t_f = 0.455 in Moment of Inertia about the x-axis, I x = 340 in 4 Moment of Inertia about the y-axis, I_y= 23.3 in^4 Elastic Section Modulus, S_x = 48.6 in^3 Elastic Section Modulus, S_y = 6.91 in^3 Plastic Modulus, Z_x = 54.6 in^3 Plastic Modulus, Zy= 10.6 in^3 Torsional Moment of Inertia, J = 0.569 in 4 Warping Constant, C_w= 1070 in^6 r_ts= 1.80 in h_o 13.5 in b_f/2t_f= 7.41 h/t w 43.1 Structural Steel, F_y = 50 ksi Modulus of Elasticity, E = 29000 ksi 19. Determine the maximum factored moment on the beam. A. 150.00 ft-kips B. 182.04 ft-kips c. 151.02 ft-kips D. 180.00 ft-kips 20. What is the section's limiting laterally unbraced length for the limit state of yielding? A. 10.00 ft B. 15.56 ft C. 6.47 ft D. 5.39 ft 21. What is the section's limiting laterally unbraced length for the limit state of inelastic lateral-torsional buckling? A. 10.00 ft B. 15.56 ft C. 6.47 ft D. 5.39 ft 22. What is the lateral-torsional buckling modification factor, C_b, of the beam? A. 1.00 B. 1.71 C. 2.04 D. 2.24 23. What is the design strength, $M_n, of the beam? A. 204.75 ft-kips c. 227.5 ft-kips. B. 315.31 ft-kips. D. 350.34 ft-kips