STAAD PLANE EXAMPLE PROBLEM NO. 1 
UNIT FT KIP 
JOINT COORDINATES
1 0. 0. ; 2 30 0 ; 3 0 20 0 6 30 20 0 
7 0 35 ; 8 30 35 ; 9 7.5 35 ; 10 22.5 35. 
11 15 35 ; 12 5. 38. ; 13 25 38 
14 10 41 ; 15 20 41 ; 16 15 44
MEMBER INCIDENCE 
1 1 3 ; 2 3 7 ; 3 2 6 ; 4 6 8 ; 5 3 4 
6 4 5 ; 7 5 6 ; 8 7 12 ; 9 12 14
10 14 16 ; 11 15 16 ; 12 13 15 ; 13 8 13
14 9 12 ; 15 9 14 ; 16 11 14 ; 17 11 15 
18 10 15 ; 19 10 13 ; 20 7 9
21 9 11 ; 22 10 11 ; 23 8 10
MEMBER PROPERTY AMERICAN
1 3 4 TA ST W14X90 ; 2 TA ST W10X49
5 6 7 TA ST W21X50 ; 8 TO 13 TA ST W18X35
14 TO 23 TA ST L40404
MEMB TRUSS
14 TO 23
MEMB RELEASE
5 START MZ
UNIT INCH 
CONSTANTS 
E 29000. ALL
DEN 0.000283 ALL
POISSON STEEL ALL
BETA 90.0 MEMB 3 4
UNIT FT 
SUPPORT 
1 FIXED ; 2 PINNED
PRINT MEMBER INFORMATION LIST 1 5 14
PRINT MEMBER PROPERTY LIST 1 2 5 8 14
LOADING 1 DEAD AND LIVE LOAD
SELFWEIGHT Y -1.0 
JOINT LOAD
4 5 FY -15. ; 11 FY -35.
MEMB LOAD 
8 TO 13 UNI Y -0.9 ; 6 UNI GY -1.2
CALCULATE RAYLEIGH FREQUENCY 
LOADING 2  WIND FROM LEFT 
MEMBER LOAD 
1 2 UNI GX 0.6 ; 8 TO 10 UNI Y -1.
* 1/3 RD INCREASE IS ACCOMPLISHED BY 75% LOAD
LOAD COMB 3 75 PERCENT DL LL WL 
1 0.75 2 0.75 
PERFORM ANALYSIS 
LOAD LIST 1 3
PRINT MEMBER FORCES
PRINT SUPPORT REACTION
PARAMETER
CODE AISC
NSF 0.85 ALL
BEAM 1.0 ALL
KY 1.2 MEMB 3 4 
RATIO 0.9 ALL 
PROFILE W14 MEMB 1 3 4
SELECT ALL
GROUP MEMB 1 3 4
GROUP MEMB 5 6 7
GROUP MEMB 8 TO 13
GROUP MEMB 14 TO 23
PERFORM ANALYSIS
PARAMETER
BEAM 1.0 ALL
RATIO 1.0 ALL
TRACK 1.0 ALL
CHECK CODE ALL
STEEL TAKE OFF
FINISH

