CFVR4025 - Reinforced concrete checking according to GB 50010 Chinese code
Shear checking.
A concrete cantilever beam with rectangular section and shear & bending reinforcement is subjected to an axial compression force and vertical load 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 | 20 |
| Number of nodes | 21 |
| Number of civil materials | 2 |
| Number of cross sections | 1 |
| Number of shell vertices | 0 |
Log file: CFVR4025.DAT
FINISH ~CFCLEAR,,1 NomFile='CFVR4025' /TITLE, %NomFile%, Axial+Shear checking according to GB50010 ! ------------------------------------------------------------------------------------- ! Initial data ! ------------------------------------------------------------------------------------- ! CivilFEM SETUP ~UNITS,SI ~CODESEL,,GB50010 ! Preprocessor /PREP7 ! Parameters L=10 ! Length between supports, in m b=.3 ! Cross-section width in m. h=.5 ! Depth in m. ! Material Definition ~CFMP,1,LIB,CONCRETE,GB50010,C35 ~CFMP,2,LIB,REINF,GB50010,HPB235 ~CFMP,2,GB_S ,GAMs ,,1.10 ! Element Type Definition ET,1,Beam3 ! Element Type 1: 2D Beam ! Cross-section definition ~CSECDMS,1,REC,1,h,b ! Reinforcement definition ~RNFDEF,1,1,2,2,0,0.04,,,16,2,,,4 ! Bot reinf. for bending ~RNFDEF,1,2,2,4,0,0.04,,,16,2,,,4 ! Top reinf. for bending ~RNFDEF,1,SHEAR,2,0,90.00, , , , ,0.2,10,2,2 ! Shear reinf. ! Beam properties ~BMSHPRO,1,BEAM,1,1,,,3,0,0,,Beam property ! Model Construction N,1 ! Nodes input N,21,L FILL,1,21 E,1,2 ! Elements input EGEN,20,1,1,1 /SOLU D,1,ALL ! Constraint conditions F,21,FY,-50000 F,21,FX,-3000 SOLVE ! Calculation /POST1 ! Postprocessor ~CFSET,,1,1 ! First load step ! Shear in Y checking according to GB50010 ~CHKCON,SHT,SHEAR !-------------------------------------------------------------------------------------- ! DATA CHECK !-------------------------------------------------------------------------------------- ! Data Comparison number NComp = 4 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) = 'CRT_TOT' ! Correct values VALUE(1,1)=0.577E6 VALUE(2,1)=0.152E6 VALUE(3,1)=0.249E6 VALUE(4,1)=0.2 ! Comparison ~PLLSCON,VRD1 *GET,VALUE(1,2),ELEM,1,ETAB,CFETAB_J ~PLLSCON,VRD2 *GET,VALUE(2,2),ELEM,1,ETAB,CFETAB_J ~PLLSCON,VRD3 *GET,VALUE(3,2),ELEM,1,ETAB,CFETAB_J ~PLLSCON,CRT_TOT *GET,VALUE(4,2),ELEM,1,ETAB,CFETAB_J ! Warning and error tolerances TOLER( 1, 1)= 1E+3 $ TOLER( 1, 2)= 1E+3 ! Rounding error accepted TOLER( 2, 1)= 1E+3 $ TOLER( 2, 2)= 1E+3 ! Rounding error accepted TOLER( 3, 1)= 1E+3 $ TOLER( 3, 2)= 1E+3 ! Rounding error accepted TOLER( 4, 1)= 1E-3 $ TOLER( 4, 2)= 1E-3 !-------------------------------------------------------------------------------------- ! Results comparison !-------------------------------------------------------------------------------------- COMPARA.MAC |
Results
| Label | Target | CivilFEM | Ratio | Tolerance |
| VRD1 | 5.77e+005 | 5.7684e+005 | 1.000 | 1000 |
| VRD2 | 1.52e+005 | 1.5232e+005 | 0.998 | 1000 |
| VRD3 | 2.49e+005 | 2.4879e+005 | 1.001 | 1000 |
| CRT_TOT | 0.2 | 0.20097 | 0.995 | 0.001 |
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