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Numerical modelling of concrete for fem softwares

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Harish Kant Soni
Harish Kant Soni

1) The document discusses importing tensile and compression data to model concrete in Abaqus. 2) Compression data from a 1973 paper is presented, including a compressive strength of 24.33 MPa. A compression stress-strain graph was generated. 3) Tensile data from a 1994 paper is referenced, including a tensile cracking strength formula. A tensile data graph is shown.

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Importing Tensile and Compression data to model concrete Harish Kant Soni IIT Kharagpur,17-Feb-17
Compression Data Concrete Compressive strength 24.33Mpa. Reference :- S., Popovics. (1973). a numerical approach to the complete stress-strain curve of concrete. Cement and Concrete Research 3, 53-599.
Compression Graph Generated
Compression Data Used In Abaqus yield stress inelastic strain 8193643 0 9754791 1.11E-05 12723841 2.89E-05 15106193 5.53E-05 17526124 0.000101 20462912 0.000203 22090718 0.000309 23024180 0.000408 23607383 0.000504 24006865 0.000609 24212447 0.000702 24314144 0.000801 24323250 0.000905 24250877 0.001013 23016897 0.001595 21705969 0.002014 20007310 0.002515 18318812 0.003016
Tensile Data Reference :- Belarbi and Hsu,1994 fcr = 3.75*sqrt(fck) psi, fck in psi, ACI code.
Tensile data graph
yield stess damage parameter cracking strain plastic strain 1496753.643 0 0 0 1134327.146 0.1 0.000103212 9.69017E-05 948877.8637 0.2 0.000202496 0.00019062 834177.9014 0.3 0.000303238 0.00028534 756842.0406 0.4 0.00040211 0.00037685 697314.6905 0.5 0.00050509 0.00047018 653547.0046 0.6 0.000602281 0.000553203 616412.4233 0.7 0.00070414 0.000632134 587158.134 0.75 0.000800605 0.000712419 561039.1129 0.8 0.000901912 0.000789562 538581.4965 0.85 0.001003037 0.000850245 410975.8549 0.9 0.002004425 0.001819251 350254.353 0.92 0.003002465 0.002800813 312389.1183 0.95 0.004004361 0.003707214 285941.9955 0.975 0.005000685 0.004442389 265883.9156 0.99 0.006001689 0.00468389 Tensile Data Used In Abaqus
Concrete Cylinder Prepared
Load vs Displacement Graph Load in Newton, disp in meter.

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Numerical modelling of concrete for fem softwares

  • 1. Importing Tensile and Compression data to model concrete Harish Kant Soni IIT Kharagpur,17-Feb-17
  • 2. Compression Data Concrete Compressive strength 24.33Mpa. Reference :- S., Popovics. (1973). a numerical approach to the complete stress-strain curve of concrete. Cement and Concrete Research 3, 53-599.
  • 4. Compression Data Used In Abaqus yield stress inelastic strain 8193643 0 9754791 1.11E-05 12723841 2.89E-05 15106193 5.53E-05 17526124 0.000101 20462912 0.000203 22090718 0.000309 23024180 0.000408 23607383 0.000504 24006865 0.000609 24212447 0.000702 24314144 0.000801 24323250 0.000905 24250877 0.001013 23016897 0.001595 21705969 0.002014 20007310 0.002515 18318812 0.003016
  • 5. Tensile Data Reference :- Belarbi and Hsu,1994 fcr = 3.75*sqrt(fck) psi, fck in psi, ACI code.
  • 7. yield stess damage parameter cracking strain plastic strain 1496753.643 0 0 0 1134327.146 0.1 0.000103212 9.69017E-05 948877.8637 0.2 0.000202496 0.00019062 834177.9014 0.3 0.000303238 0.00028534 756842.0406 0.4 0.00040211 0.00037685 697314.6905 0.5 0.00050509 0.00047018 653547.0046 0.6 0.000602281 0.000553203 616412.4233 0.7 0.00070414 0.000632134 587158.134 0.75 0.000800605 0.000712419 561039.1129 0.8 0.000901912 0.000789562 538581.4965 0.85 0.001003037 0.000850245 410975.8549 0.9 0.002004425 0.001819251 350254.353 0.92 0.003002465 0.002800813 312389.1183 0.95 0.004004361 0.003707214 285941.9955 0.975 0.005000685 0.004442389 265883.9156 0.99 0.006001689 0.00468389 Tensile Data Used In Abaqus
  • 9. Load vs Displacement Graph Load in Newton, disp in meter.