V. I Section in Shear

Determine the elastic shear capacity per South African steel design code (SANS10162-1:1993) of a South African I-section which is simply supported over the span of 8 m.

Reference

Example 4.6.5, page 4.54, Structural Steel Design to SABS 0162-1 1993 (Limit States Design). Greg Parrott, 1st edition, Shades Technical Publications. 1993

Given

FYLD = 300 Mpa

Comparison

Table 1. SAB 0162-1:1993 Verification Problem 3 comparison
Criteria	Reference	STAAD.Pro	Difference
Shear Capacity (kN)	687.1	687.1	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 8 0 0
MEMBER INCIDENCES
1 1 2
MEMBER PROPERTY SAFRICAN
1 TABLE ST 457X67UB
DEFINE MATERIAL START
ISOTROPIC MATERIAL1
E 2E+008
POISSON 3
DENSITY 977
ISOTROPIC STEEL
E 2E+008
POISSON 3
DENSITY 8195
ALPHA 2E-005
DAMP 03
END DEFINE MATERIAL
UNIT MMS KN
CONSTANTS
MATERIAL STEEL MEMB 1
UNIT METER KN
SUPPORTS
1 2 PINNED
LOAD 1 LOADTYPE NONE TITLE LOAD CASE 1
MEMBER LOAD
1 UNI GY -70
PERFORM ANALYSIS
PARAMETER
CODE SANS10162-1: 1993
FU 450000 ALL
BEAM 1 ALL
FYLD 300000 ALL
TRACK 2 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   457X67UB                 (SOUTHAFRICAN SECTIONS)
                         FAIL       SAN-13.8           1.411         1
                         0.00            0.00        -560.00        4.00
   MEMBER PROPERTIES (UNIT = CM)
   -----------------------------
   SECTION CLASS =   1
   CROSS SECTION AREA =  8.55E+01   MEMBER LENGTH =  8.00E+02
   IZ =  2.94E+04   SZ =  1.30E+03   PZ =  1.47E+03
   IY =  1.45E+03   SY =  1.53E+02   PY =  2.37E+02
   MATERIAL PROPERTIES (UNIT = MPA)
   --------------------------------
   FYLD = 300.0   FU = 450.0
   SECTION CAPACITIES (UNIT - KN,M)
   ---------------------------------
   CRY =  3.738E+02   CRZ =  1.996E+03
   CTORFLX =  3.738E+02
   TENSILE CAPACITY     =  2.308E+03   COMPRESSIVE CAPACITY =  3.738E+02
   FACTORED MOMENT RESISTANCE : MRY =  6.399E+01   MRZ =  3.969E+02
   FACTORED SHEAR RESISTANCE  : VRY =  6.871E+02   VRZ =  5.730E+02
   MISCELLANEOUS INFORMATION
   --------------------------
   NET SECTION FACTOR FOR TENSION =  1.000
   UNSUPPORTED LENGTH OF THE COMPRESSION FLANGE (M) =  8.000
   OMEGA-1 (Y-AXIS) = 1.00   OMEGA-1 (Z-AXIS) = 1.00   OMEGA-2 = 1.00
   SHEAR FORCE (KNS) : Y AXIS =  1.697E-05   Z AXIS =  0.000E+00
   SLENDERNESS RATIO OF WEB (H/W) =  5.04E+01
   KL/RY =  194.263   KL/RZ =   43.142   ALLOWABLE KL/R =  300.000