... loads.LRFD pre-stressed beam. mcd7/1/2003 2 of 71bwt 0.822= Beam weight (k/ft) =fwt 20=Width of top flange (in) =Inc 260730=Section inertia (in^2) =h 54=Total beam depth (in) =yb 24.73=Distance ... TYPE III4 = AASHTO TYPE IV5 = BT546 = BT637 = BT72Box Beam dimensions (if no box set to zero) Beam type to use LRFD pre-stressed beam. mcd7/1/2003 20 of 71Expand area for moment and shear ... ):=LRFD pre-stressed beam. mcd7/1/2003 29 of 710 5 10 15 20 25 300102030405060End Pattern beam xa 1,x_s1xa4 1,k1xa4 1,k_b1n8 1,k_b2n8 1,k_b3n8 1, beam xa 0,x_s1xa4 0,,...