CFVR1318 - Torsion design according to AS3600

Element types used in the model: BEAM4

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

   FINISH
  ~CFCLEAR,,1
   NomFile='CFVR2718'
 /TITLE,%NomFile%, TORSION DESIGN ACCORDING TO AS3600

! -------------------------------------------------------------------------------------
! Initial data
! -------------------------------------------------------------------------------------
! CivilFEM SETUP
~UNITS,,LENG,M
~UNITS,,TIME,S
~UNITS,,FORC,MP
~CODESEL,EC3-92,AS3600,,,EC8-94

! Preprocessor
  /PREP7

! Parameters
  L=1              ! Length in m
  b=.4             ! Cross-section width in m.
  h=.3             ! Depth in m.
  T=0.95*1.6       ! Torsional moment in Mp*m
  Q=4.7*1.6        ! Maximum concomitant design shear force in Mp

! Material Definition
 ~CFMP,1,LIB,CONCRETE,ACI,fc_3500
 ~CFMP,2,LIB,REINF,ACI,fy_60000

! Element Type Definition
  ET,1,Beam4                           ! Element Type 1: 3D Beam

! Cross-section definition
 ~CSECDMS,1,REC,1,0.3,0.4

! Reinforcement definition
 ~RNFDEF,1,TORSION,2,1e-4, , , ,1e-4, ,

! Beam properties
  ~BMSHPRO,1,BEAM,1,1,,,4,0,0,,Beam Properties

! Model
  N,1                                  ! Nodes input
  N,5,L
  FILL,1,5
  E,1,2                                ! Elements input
  EGEN,4,1,1,1
  D,1, , , , , ,ALL                    ! Boundary conditions

/SOLU
  F,5,FY,-Q
  F,5,MX,T
  SOLVE               ! Calculation

/POST1
! Postprocessor
  ~CFSET,,1,1       ! Read first load step
! Torsion design according to AS3600
  ~DIMCON,SHT,TORSION

!---------------------------------------------------------------------------------------
! DATA CHECK
!--------------------------------------------------------------------------------------
! Data comparison number
  NComp = 6
  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) = 'CRTTUMAX'
  LABEL(2,1) = 'CRTWCRUS'
  LABEL(3,1) = 'TUC     '
  LABEL(4,1) = 'TUS     '
  LABEL(5,1) = 'ASTT    '
  LABEL(6,1) = 'ASLT    '

! Correct values
  VALUE(1,1)= 1.232118555
  VALUE(2,1)= 1.232118555
  VALUE(3,1)= 0.536257427
  VALUE(4,1)= 2.171428571
  VALUE(5,1)= 0.000365591
  VALUE(6,1)= 0.000197419

! Comparison
 ~CFGET,VALUE(1,2),ELEMENT,2,RESULT,CRTTUMAX,J
 ~CFGET,VALUE(2,2),ELEMENT,2,RESULT,CRTWCRUS,J
 ~CFGET,VALUE(3,2),ELEMENT,2,RESULT,TUC     ,J
 ~CFGET,VALUE(4,2),ELEMENT,2,RESULT,TUS     ,J
 ~CFGET,VALUE(5,2),ELEMENT,2,RESULT,ASTT    ,J
 ~CFGET,VALUE(6,2),ELEMENT,2,RESULT,ASLT    ,J

! Warning and error tolerances
  *DO,II,1,6
    TOLER(II, 1)= 1E-03
    TOLER(II, 2)= 1E-03
  *ENDDO
	TOLER(5, 1)= 1E-07   $   TOLER(5, 2)= 1E-07
	TOLER(6, 1)= 1E-07   $   TOLER(6, 2)= 1E-07

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