V. AS4100 1998 - Single Angle Section in Tension
To check the tensile capacity of a single angle per AS4100-1998.
Reference
Gorenc,B., R.Tinyou and A.Syam, Steel Designer's Handbook, 8th edition, UNSW Press,
problem 7.2, page 198.
Problem
Select a section for a diagonal member of a truss. Verify its capacity. Use on equal leg angle in Grade 300 steel with one line of M20/S fasteners in one leg. Axial load of 300 kN is applied.
Comparison
Result Type | Theory | STAAD.Pro | Difference |
---|---|---|---|
Applied tensile load (kN) | 300 | 300.3 | 0.1% |
Tensile capacity, 0.9×Nt (kN) | 492 | 492 | none |
Ratio | 0.610 | 0.610 | none |
STAAD Input
Tip: You can copy and paste this content directly into a .std file to run in STAAD.Pro.
The file C:\Users\Public\Public Documents\STAAD.Pro 2024\Samples \Verification Models\09 Steel Design\Australia\AS4100 1998 - Single Angle Section in Tension.STD is typically installed with the program.
STAAD SPACE AXIAL TENSILE CAPACITY PER AS4100 1998
*
* REFERENCE : Steel Designer's Handbook, B.Gorenc, R.Tinyou and A.Syam,
* 8th edition, example problem 7.2, page 198
*
* OBJECTIVE : TO DETERMINE THE CAPACITY OF A SINGLE ANGLE IN TENSION
* PER THE AS4100-1998 CODE
*
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 4 0 0;
MEMBER INCIDENCES
1 1 2;
*
DEFINE MATERIAL START
ISOTROPIC STEEL
E 1.99947e+008
POISSON 0.3
DENSITY 76.8191
ALPHA 6.5e-006
DAMP 0.03
END DEFINE MATERIAL
*
MEMBER PROPERTY AUSTRALIAN
1 TABLE ST A125X125X8
PRINT MEMBER PROPERTY ALL
*
CONSTANTS
MATERIAL STEEL MEMB 1
*
SUPPORTS
1 FIXED
*****************************************
LOAD 1 LOADTYPE DEAD TITLE PERMANENT LOAD
JOINT LOAD
2 FX 99.0
*
LOAD 2 LOADTYPE LIVE TITLE IMPOSED LOAD
JOINT LOAD
2 FX 121
*
LOAD COMBINATION 3 ULS
1 1.2 2 1.5
*
PERFORM ANALYSIS
UNIT MMS NEWTON
*
PARAMETER 1
CODE AUSTRALIAN 1998
*
* KT from AS 4100-1998 Table 7.3.2 case (i)
KT 0.85 MEMB 1
*
* NSF = An/Ag = 1720/1900
NSF 0.905 MEMB 1
***
TRACK 2.0 ALL
CHECK CODE MEMB 1
*
* UTILIZATION RATIO = 300/492 = 0.610
*
FINISH
STAAD Output
*
STAAD.Pro CODE CHECKING - ( AS4100-1998 ) V2.3
****************************************************
***NOTE : BY DEFAULT "AS/NZS 3679.1 300" WILL BE USED FOR ROLLED SECTIONS.
|--------------------------------------------------------------------------|
| Y PROPERTIES |
|************* | IN CM UNIT |
| * |=============================| ==| |== ------------ |
|MEMBER 1 * | AUSTRALIAN SECTIONS | | | AX=0.1900E+2 |
| * | ST A125X125X8 | | | --Z AY=0.6500E+1 |
|DESIGN CODE * | | | | AZ=0.6500E+1 |
|AS4100 1998 * =============================== ==| |== PY=0.8091E+2 |
| * PZ=0.4058E+2 |
| * |<---LENGTH (ME= 4.00 --->| RY=0.4931E+1 |
|************* RZ=0.2480E+1 |
| Iw=0.0000E+0 |
| 0.0( KN-METR) |
|PARAMETER |þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 FORCE/MOMENT |
|IN NEWTON MM |þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 IN KN METRE |
|--------------- +þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 -------------|
| KL/R-Y= 81.1 |þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 PNC=0.9995E+2|
| KL/R-Z= 161.3 +þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 PNT=0.4920E+3|
| UNL = 4000.0 |þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 pn =-.3003E+3|
| MAIN = 180.0 +þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 MNZ=0.6846E+1|
| PHI = 0.90 |þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 mnz=0.0000E+0|
| FULT = 440.0 +þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 MNY=0.1828E+2|
| FYLD = 320.0 |þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 þ0 mny=0.0000E+0|
| NSF = 0.90 +---+---+---+---+---+---+---+---+---+---| VZ =0.1123E+3|
| SKT = 1.00 0.0 vz =0.0000E+0|
| SKL = 1.00 ABSOLUTE MZ ENVELOPE VY =0.1123E+3|
| SKR = 1.00 (WITH LOAD NO.) vy =0.0000E+0|
| |
| Section Type: Noncompact - about Z axis; Noncompact - about Y axis |
| |
| Parameters used to calculate RATIO |
| ---------------------------------- |
| Ns=0.5349E+3 Msz=0.9458E+1 Msy=0.2031E+2 Mbz=0.7607E+1 |
| Miz=0.0000E+0 Miy=0.0000E+0 Moz=0.0000E+0 |
| Nciz=0.1111E+3 Nciy=0.2725E+3 Ncz=0.1111E+3 Ncy=0.2725E+3 |
| Vvmy=0.4942E-2 Vvmz=0.4942E-2 |
| ALPHA,M= 1.000 ALPHA,B= 1.000 ALPHA,SZ= 0.804 |
| |
| MAX FORCE/ MOMENT SUMMARY ( KN-METR) |
| ------------------------- |
| AXIAL SHEAR-Y SHEAR-Z MOMENT-Y MOMENT-Z |
| VALUE -300.3 0.0 0.0 0.0 0.0 |
| LOCATION 4.0 0.0 0.0 0.0 0.0 |
| LOADING 3 0 0 0 0 |
|**************************************************************************|
|* DESIGN SUMMARY ( KN-METR) *|
|* -------------- *|
|* RESULT/ CRITICAL COND/ RATIO/ LOADING/ *|
|* FX MY MZ LOCATION *|
|* ====================================================== *|
|* PASS TENSION 0.610 3 *|
|* 300.30 T 0.0 0.0 0.00 *|
|**************************************************************************|
|--------------------------------------------------------------------------|
AXIAL TENSILE CAPACITY PER AS4100 1998 -- PAGE NO. 5
*