STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 20-Apr-10
END JOB INFORMATION
INPUT WIDTH 79
UNIT FEET KIP
JOINT COORDINATES
3 0 5 0; 4 10 5 0; 5 0 0 0; 6 10 0 0; 7 0 10 0; 8 10 10 0;
MEMBER INCIDENCES
2 3 4; 3 5 6; 4 7 8;
DEFINE MATERIAL START
ISOTROPIC STEEL
E 4.176e+006
POISSON 0.3
DENSITY 0.489024
ALPHA 6e-006
DAMP 0.03
END DEFINE MATERIAL
MEMBER PROPERTY AMERICAN
2 TO 4 TABLE ST L804016
CONSTANTS
*value of bete defined manually
BETA 76.126 MEMB 2 
*value automatically calculated by STAAD
BETA 76.1133 MEMB 3
MATERIAL STEEL MEMB 2 TO 4
SUPPORTS
3 TO 8 PINNED
LOAD 1 LOADTYPE None  TITLE LOAD CASE 1
MEMBER LOAD
2 TO 4 UNI GY -1
PERFORM ANALYSIS 
PRINT MEMBER FORCES
FINISH
