CFVR7302 - Steel checking according to ASME BPVC III Subsection NF

Compression checking of a cantilever steel beam

A steel cantilever beam with built-up T shape section is subjected to a horizontal compression force of 1000000 KN at free end. Ct reduction coefficient is taken as 0.85
Determine the total criterion according to ASME BPVC III Subsection NF.

Element types used in the model: BEAM188

Needed CivilFEM Modules:
Geotechnical Module
Bridges and Civil Non Linearities Module
Advanced Prestressed Concrete Module

The example can be launched on an educational license.

KEYWORDS

Beam

Cross Section

Code Checking/Design

Steel

ASME BPVC III NF

Model Statistics
Number of elements	1
Number of nodes	2
Number of civil materials	1
Number of cross sections	1
Number of shell vertices	0

Log file: CFVR7302.DAT

FINISH
~CFCLEAR,,1

   NomFile='CFVR7302'
 /TITLE, %NomFile%, Compression checking ASME BPVC III subsection NF
! -------------------------------------------------------------------------------------
! Initial data
! -------------------------------------------------------------------------------------
! CivilFEM SETUP
~CFACTIV,NUCL,Y
~CODESEL,ASME_NF,EC2-91,EC2-91,,EC8-94

/PREP7

ET,1,Beam188,,,2

~CFMP,1,LIB,STEEL,ASTM,A441
~SSECDMS,1,T,1,0.47,0.015,0.6,0.02
~SECMDF,1,ASMENFPR,CT,,0.85
~MEMBPRO,1,ASME_NF,ALL,5,2,2,1,1,1,1,1,0
~BMSHPRO,1,BEAM,1,1,,,188,1,1,,Beam 1

N,1,
N,2,5
E,1,2

/SHRINK,0
/ESHAPE,1.0

EPLOT

D,1,ALL

F,2,FX,-1000000

/SOLU
SOLVE

/POST1
~CFSET,0,1,LAST

~CHKSTL,COMPRESS

!--------------------------------------------------------------------------------------
! DATA CHECK
!--------------------------------------------------------------------------------------
! Data comparison number
  NComp = 7
  NComp_ch = 0

! Matrix dim.
  *DIM,LABEL,CHAR,Ncomp,1
  *DIM,LABEL_CH,CHAR,Ncomp_ch,1
  *DIM,VALUE,,Ncomp,3
  *DIM,VALUE_CH,CHAR,Ncomp_ch,3
  *DIM,TOLER,,Ncomp,2

! Labels
  LABEL(1,1) = 'QS'
  LABEL(2,1) = 'QA'
  LABEL(3,1) = 'FA'
  LABEL(4,1) = 'CRT_STR'
  LABEL(5,1) = 'SLD_RT'
  LABEL(6,1) = 'CRT_SLD'
  LABEL(7,1) = 'CRT_TOT'

! Correct values
  VALUE(1,1)=0.483
  VALUE(2,1)=1.00
  VALUE(3,1)=75276219
  VALUE(4,1)=0.708
  VALUE(5,1)=72.89
  VALUE(6,1)=0.364
  VALUE(7,1)=0.708

! Comparison

 ~PLLSSTL,QS
 *GET,VALUE(1,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,QA
 *GET,VALUE(2,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,FA
 *GET,VALUE(3,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,CRT_STR
 *GET,VALUE(4,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,SLD_RT
 *GET,VALUE(5,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,CRT_SLD
 *GET,VALUE(6,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,CRT_TOT
 *GET,VALUE(7,2),ELEM,1,ETAB,CFETAB_I

! Warning and error tolerances
  TOLER( 1, 1)= 1E-03   $ TOLER( 1, 2)= 1E-03
  TOLER( 2, 1)= 1E-03   $ TOLER( 2, 2)= 1E-03
  TOLER( 3, 1)= 1E+04   $ TOLER( 3, 2)= 1E+04		! Rounding error accepted
  TOLER( 4, 1)= 1E-03   $ TOLER( 4, 2)= 1E-03
  TOLER( 5, 1)= 1E-02   $ TOLER( 5, 2)= 1E-02		! Rounding error accepted
  TOLER( 6, 1)= 1E-03   $ TOLER( 6, 2)= 1E-03
  TOLER( 7, 1)= 1E-03   $ TOLER( 7, 2)= 1E-03

!--------------------------------------------------------------------------------------
! Results comparison
!--------------------------------------------------------------------------------------
  COMPARA.MAC

Results

Label	Target	CivilFEM	Ratio	Tolerance
QS	0.483	0.48309	1.000	0.001
QA	1	1	1.000	0.001
FA	7.5276e+007	7.5285e+007	1.000	1e+004
CRT_STR	0.708	0.70842	0.999	0.001
SLD_RT	72.89	72.893	1.000	0.01
CRT_SLD	0.364	0.36447	0.999	0.001
CRT_TOT	0.708	0.70842	0.999	0.001

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CFVR7302 - Steel checking according to ASME BPVC III Subsection NF

Compression checking of a cantilever steel beam

Results