CFVR4009 - Reinforced concrete checking according to GB 50010 chinese code
Combined shear & torsion checking.
A concrete cantilever beam with rectangular shape section and shear & torsion reinforcement is subjected to a vertical load and torsion moment at free end.
Determine the total criterion according to GB 50010.
Element types used in the model: BEAM4 Needed CivilFEM Modules: |
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| Model Statistics | |
| Number of elements | 4 |
| Number of nodes | 5 |
| Number of civil materials | 2 |
| Number of cross sections | 1 |
| Number of shell vertices | 0 |
Log file: CFVR4009.DAT
FINISH ~CFCLEAR,,1 NomFile='CFVR4009' /TITLE, %NomFile%, COMBINED SHEAR + TORSION CHECKING ACCORDING TO GB50010 ! ------------------------------------------------------------------------------------- ! Initial data ! ------------------------------------------------------------------------------------- ! CivilFEM SETUP ~UNITS,,LENG,M ~UNITS,,TIME,S ~UNITS,,FORC,kN ~CODESEL,,GB50010 ! Preprocessor /PREP7 ! Parameters L=1 ! Length in m b=.4 ! Cross-section width in m. h=.3 ! Depth in m. T=0.95*16 ! Torsional moment in Mp*m Q=4.7*16 ! Maximum concomitant design shear force in Mp ! Material Definition ~CFMP,1,LIB,CONCRETE,GB50010,C25 ~CFMP,2,LIB,REINF,GB50010,HPB235 ~CFMP,2,GB_S ,GAMs ,,1.10 ! 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, , ,0.10,6, ,16,4 ! Torsional reinfor. ~RNFDEF,1,SHEAR,2,0.0,0.0, , , , ,4e-2,6,2,2 ! Shear reinfor. ~RNFDEF,1,1,2,4,0,0.0,0.9094E-03 ! Longitudinal reinfor. ~RNFMDF,1,1,GC,0.04 ! Geometrical cover ! Beam properties ~BMSHPRO,1,BEAM,1,1,,,4,0,0,,Beam property ! Model Construction N,1 ! Nodes input N,5,L FILL,1,5 E,1,2 ! Elements input EGEN,4,1,1,1 D,1,,,,,,ALL ! Constraint conditions /SOLU F,5,FY,-Q ! Vertical force F,5,MX,T ! Torsinal moment SOLVE ! Calculation /POST1 ! Postprocessor ~CFSET,,1,1 ! First load step ! Shear in Y & Torsion checking according to GB50010 ~CHKCON,SHT,BOTH !-------------------------------------------------------------------------------------- ! DATA CHECK !-------------------------------------------------------------------------------------- ! Data Comparison number NComp = 9 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) = 'VRD1' LABEL(2,1) = 'VRD2' LABEL(3,1) = 'VRD3' LABEL(4,1) = 'TRD1' LABEL(5,1) = 'TRD2' LABEL(6,1) = 'TRD3' LABEL(7,1) = 'CRTTRS' LABEL(8,1) = 'CRTSHR' LABEL(9,1) = 'CRT_TOT' ! Correct values VALUE(1,1)=164 VALUE(2,1)=46.3 VALUE(3,1)=144 VALUE(4,1)=24.4 VALUE(5,1)=6.01 VALUE(6,1)=12.7 VALUE(7,1)=1.20 VALUE(8,1)=0.521 VALUE(9,1)=1.20 ! Comparison ~PLLSCON,VRD1 *GET,VALUE(1,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,VRD2 *GET,VALUE(2,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,VRD3 *GET,VALUE(3,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,TRD1 *GET,VALUE(4,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,TRD2 *GET,VALUE(5,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,TRD3 *GET,VALUE(6,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,CRTTRS *GET,VALUE(7,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,CRTSHR *GET,VALUE(8,2),ELEM,4,ETAB,CFETAB_J ~PLLSCON,CRT_TOT *GET,VALUE(9,2),ELEM,4,ETAB,CFETAB_J ! Warning and error tolerances TOLER( 1,1)= 1E-0 $ TOLER( 1,2)= 1E-0 ! Rounding error accepted TOLER( 2,1)= 1E-1 $ TOLER( 2,2)= 1E-1 ! Rounding error accepted TOLER( 3,1)= 1E-0 $ TOLER( 3,2)= 1E-0 ! Rounding error accepted TOLER( 4,1)= 1E-1 $ TOLER( 4,2)= 1E-1 ! Rounding error accepted TOLER( 5,1)= 1E-2 $ TOLER( 5,2)= 1E-2 ! Rounding error accepted TOLER( 6,1)= 1E-1 $ TOLER( 6,2)= 1E-1 ! Rounding error accepte2 TOLER( 7,1)= 1E-3 $ TOLER( 7,2)= 1E-3 TOLER( 8,1)= 1E-3 $ TOLER( 8,2)= 1E-3 TOLER( 9,1)= 1E-3 $ TOLER( 9,2)= 1E-3 !-------------------------------------------------------------------------------------- ! Results comparison !-------------------------------------------------------------------------------------- COMPARA.MAC |
Results
| Label | Target | CivilFEM | Ratio | Tolerance |
| VRD1 | 164 | 164.14 | 0.999 | 1 |
| VRD2 | 46.3 | 46.262 | 1.001 | 0.1 |
| VRD3 | 144 | 144.42 | 0.997 | 1 |
| TRD1 | 24.4 | 24.436 | 0.999 | 0.1 |
| TRD2 | 6.01 | 6.0052 | 1.001 | 0.01 |
| TRD3 | 12.7 | 12.659 | 1.003 | 0.1 |
| CRTTRS | 1.2 | 1.2008 | 0.999 | 0.001 |
| CRTSHR | 0.521 | 0.52071 | 1.001 | 0.001 |
| CRT_TOT | 1.2 | 1.2008 | 0.999 | 0.001 |
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