D1.B.2.6 Example

The following is an example STAAD Input for a portal frame with a castellated beam.

3D Rendering of the example structure

Tip: You can copy the input code below and paste into the STAAD Editor or into a plain text editor program and save as an .STD file for use in STAAD.Pro.

STAAD PLANE EXAMPLE PROBLEM FOR
*CASTELLATED BEAM DESIGN
UNIT FT KIP
JOINT COORDINATES
1 0. 0. ; 2 45 0
3 0 15 ; 4 45 15
MEMBER INCIDENCE
1 1 3; 2 3 4; 3 4 2
MEMBER PROPERTY AMERICAN
2 TA ST CB27x40
1 3 TA ST W21X50
UNIT INCH
CONSTANTS 
E STEEL ALL
DEN STEEL ALL
POISSON STEEL ALL
MEMBER RELEASE
2 START MX MY MZ
2 END MY MZ
UNIT FT
SUPPORT 
1 2 FIXED
LOADING 1 DEAD AND LIVE LOAD
MEMB LOAD
2 UNI Y -0.4
LOADING 2 WIND FROM LEFT
MEMBER LOAD
2 UNI Y -0.6
LOAD COMB 3
1 1.0 2 1.0
PERFORM ANALYSIS
LOAD LIST 3
PRINT MEMBER FORCES
PRINT SUPPORT REACTION
UNIT KIP INCH
PARAMETER
CODE AISC CASTELLATED
UNL 0.01 MEMB 2
FYLD 50 MEMB 2
CMZ 0.85 MEMB 2
CB 1.1 MEMB 2
TRACK 2.0 ALL
SOPEN 11.124 MEMB 2
EOPEN 11.124 MEMB 2
CHECK CODE MEMB 2
FINISH