V. I Section in Compression
Determine the capacity of a South African I-section column in axial compression per South African steel design code (SANS10162-1:1993). Column is braced at its ends for both axes.
Reference
Example 4.3.4.1, page 4.18, Structural Steel Design to SABS 0162-1 1993 (Limit States Design). Greg Parrott, 1st edition, Shades Technical Publications. 1993
Comparison
Criteria | Reference | STAAD.Pro | Difference |
---|---|---|---|
Axial Compressive Strength (kN) | 1,516 | 1,516 | none |
Input File
The file C:\Users\Public\Public Documents\STAAD.Pro CONNECT Edition\Samples\ is typically installed with the program.
STAAD PLANE
START JOB INFORMATION
* ENGINEER DATE
END JOB INFORMATION
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 0 6 0;
MEMBER INCIDENCES
1 1 2;
MEMBER PROPERTY SAFRICAN
1 TABLE ST 356X67UB
DEFINE MATERIAL START
ISOTROPIC STEEL
E 1.99947e+008
POISSON 0.3
DENSITY 76.8191
ALPHA 6e-006
DAMP 0.03
TYPE STEEL
STRENGTH FY 248210 FU 399894 RY 1.5 RT 1.2
END DEFINE MATERIAL
UNIT MMS KN
CONSTANTS
MATERIAL STEEL ALL
UNIT METER KN
SUPPORTS
1 FIXED
LOAD 1 LOADTYPE None TITLE LOAD CASE 1
JOINT LOAD
2 FY -1500
PERFORM ANALYSIS
PARAMETER 1
CODE SANS10162-1: 1993
LZ 6 ALL
LY 3 ALL
FU 450000 ALL
BEAM 1 ALL
NSF 0.85 ALL
TRACK 2 ALL
FYLD 300000 ALL
CHECK CODE ALL
FINISH
Output
************************************** STAAD.PRO CODE CHECKING (SOUTHAFRICAN STEEL/SANS10162-01:1993 ) ************************************** PROGRAM CODE REVISION V1.0_SANS10162-1: 1993 ALL UNITS ARE - KNS MET (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST 356X67UB (SOUTHAFRICAN SECTIONS) PASS COMPRESSION 0.989 1 1500.00 0.00 0.00 0.00 MEMBER PROPERTIES (UNIT = CM) ----------------------------- SECTION CLASS = 1 CROSS SECTION AREA = 8.55E+01 MEMBER LENGTH = 6.00E+02 IZ = 1.95E+04 SZ = 1.07E+03 PZ = 1.21E+03 IY = 1.36E+03 SY = 1.57E+02 PY = 2.43E+02 MATERIAL PROPERTIES (UNIT = MPA) -------------------------------- FYLD = 300.0 FU = 450.0 SECTION CAPACITIES (UNIT - KN,M) --------------------------------- CRY = 1.516E+03 CRZ = 2.038E+03 CTORFLX = 1.516E+03 TENSILE CAPACITY = 2.308E+03 COMPRESSIVE CAPACITY = 1.516E+03 FACTORED MOMENT RESISTANCE : MRY = 6.561E+01 MRZ = 3.267E+02 FACTORED SHEAR RESISTANCE : VRY = 5.903E+02 VRZ = 6.461E+02 MISCELLANEOUS INFORMATION -------------------------- NET SECTION FACTOR FOR TENSION = 0.850 UNSUPPORTED LENGTH OF THE COMPRESSION FLANGE (M) = 6.000 OMEGA-1 (Y-AXIS) = 1.00 OMEGA-1 (Z-AXIS) = 1.00 OMEGA-2 = 1.00 SHEAR FORCE (KNS) : Y AXIS = 0.000E+00 Z AXIS = 0.000E+00 SLENDERNESS RATIO OF WEB (H/W) = 3.65E+01 KL/RY = 75.220 KL/RZ = 39.730 ALLOWABLE KL/R = 200.000