Question

Model View Result View Design View Member Graph Report View Status Educational 2.6299 K 4.2378 K 9,4685 K 5.6445 K EX 15.24 e EX 12.953K FX 11.808 MZ-95235 K-ft 98 K-ft MZ -1089 K-ft MZ 8 Front Find Tool Member Displacements, Detailed Member Forces, Detailed Member Stresses, Detailed Node Results Member Result Case Offset (ft) Dy (ft) Dz (ft) 0,0000 -0.0037 0,0000 COLO04L COLO04 L 0.0034 00000 1.3333 COLO04 L 2.6667 -0.0030 0.0000 COLO04 L 4,0000 -0.0025 0.0000 COLML 5 2222. a.0010 n.000n Assignment 1 (100 points): Create the 2D frame below using Visual Analysis and determine the reactions at A, B, and C. Use approximate method to compare your Visual Analysis results. Assume that the hinge are in the middle of each element when using the approximate method H G 15 k T 12 ft 25 k F E 12 ft A B 20 ft 15 ft

Answer 1

Solving by approximoti analyste Given freme at h hinges Aruming 2 midd Le of ea ch elemat 15K H G T deno tid by numbos 1 25K to 10 C toking 1 toray NOW 15K 2 I 3 H I: Node 2H HI 4HISK 15K H,+ Ht H, H2=15-3,5 H211.25K TH So, H 3.15 K. ZM2=0 3.45K- Vg At Node Gt Vs (1.5) 3.15 (6) 1 HI Vs 3K.. So, V 3K Gr VA H13.5 H At Node 2 3 3,15K fv3 I1,25K 3,45K 1 H 3K 3.75(6)= V3 (l0) 2.25k 14 41.5K 2.a5 K.. V3 2.25 K Sa V ZM0 3(19.5) Vq(10) + 7.5 (6) Vy 3-2.95 0.5 K. (O1) 0.75K. V4 taking gnd NOW

2. 4- 15K I 4o K.. HtH H- 10K.. 4H= 40 k 5K Node Fa At H 2H H 3K 53. 15 -10 5 3.35K H4 18. 5 K.. 25K .5 2MT O 3.45 (6 ) + l0 (to) 3(4.5) V1 Vio ( 부.5) 10 VIO 19.33 K. So, VIC 16.33 K.. 19. 33-3 = D : Node AH 0= H610-3.15 2MG-O 3K 3(to) Vg (lo) e 3.75(6) + 3.75k to (6) H6= 6.95K. 5a.5 10 Ve = H6 5.85 K. V= 3 + 5,25 8 O K 8.95 K. V8 Ot5 K 5 Kk At Node E c1 6.a5K 6 to E s 18.45K 61 8.25K 6.33K 18-75+0. Va+e.25 A20 K Va = 11.25 K Ve Raaction. Hinding NoW

5.25 K 19.33K 1.25K 8 10K 994-20K 1o4-10K A un HA C HC MA RA Mc Rc MB RB 10 K g0 K Не НА loK Нe RB 5.25K 11,5K RC 19.33K RA G0 K-it MB 120 K-t MA = Me= 60 K- -700dey

Note For approximate analysis I used portal frame method. Reaction at support A B C Horizontal (right ) in K 10 20 10 Vertical ( upwards ) in K 5.25 11.25 -19.33 Moment (clockwise) 60 120 60 in K-ft If you found it useful please rate the solution