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Introducing of Simple Version of WCOMD for

Introducing of Simple Version of WCOMD for Analyzing of RC Plate Elements Subject to Plane Stresses. M. Soltani M. Concrete Lab., Dec. 2000. Beam. Bridge Structure. Containment Vessel. Shear Wall. Introduction:.

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Introducing of Simple Version of WCOMD for

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  1. Introducing of Simple Version of WCOMD for Analyzing of RC Plate Elements Subject to Plane Stresses M. Soltani M. Concrete Lab., Dec. 2000

  2. Beam Bridge Structure Containment Vessel Shear Wall Introduction: Reinforced concrete structures can be considered as an assemblage of simpler elements, if the behavior of the component elements is understood, then the behavior of the complete structure can be predicted more accurately. Tow dimensional, rectangular reinforced concrete element subject to plane stress.

  3. Shear Key RC PANEL (SPECIMEN) Jack Link Experiment Methods: Test of specimens under biaxial stress Direct tension Tension stiffening Test of panels Jack and Link assembly to apply shear ,tension and compression to reinforced concrete elements

  4. = + Reinforcing bars Cracked concrete Reinforced concrete Modeling method: The constitutive law for concrete The reinforced concrete plate model The constitutive law for reinforcing bars FEM analysis of RC Structures 1. Using the equilibrium and compatibility equations. For checking the constitutive model at the element level under different loading condition and combination of lads (biaxial stress, Cyclic loading,…) 2. Using FEM and analyzing of plate element by considering the adequate boundary conditions ~

  5. Analyzing of plate elements subject to plane stresses: WCOMD-SJ Simple version (PANEL) 1. 2D analysis of plate elements subject to different loading condition. 2. Analysis subject to reversed cyclic loading. 3. Load Control Analysis. Capability of program: Load Control Analysis: Loads (Tension, compression and shear) is incrementally applied on the panel You can get more information from the User Guide and solved examples

  6. A Sample for Input Data: y The panel (Collins and Vichico test 1982) f'c=195 ft=21 Rx=1.785% Fy=4580 Ry=1.524% Fy=4200 Loading= Pure Shear x Analysis of Panel Subject to Pure Shear (PV22, Collins 1982) 00020 CONC 196 21.0 0.0020 0.15 1.0 1.0 STXY 2100000.0 4580.0 2100000.0 4200.0 ELEM 0.01785 0.01524 0.0000 0.2 0.2 LOAD STEP 1 0.00 0.10 1000 1 LOAD 1 1.0 END Input file name+.RCS (Strain Stress relationship of RC in X and Y dir.) Input file name+.STL (Strain-Stress relationship of Steel in Steel Dir.) Output files: Input file name+.CON Input file name+.RCS

  7. Output results:

  8. Reversed Cyclic Loading: LOAD STEP 1 0.00 0.10 300 1 LOAD 1 1.0 STEP 1 0.00 0.10 300 -1 STEP 1 0.00 0.10 400 1 END

  9. Some other examples: Direct Tension Effect of Reinforcement Ratio on Average Strain-Stress Relationship of Steel Output file name= Input file name +. stl F'c=200 Ft=20 Fy=4000

  10. Effect Tension Stiffening Factor on Average Strain-Stress Relationship of Steel F'c=200 Ft=20 Fy=4000

  11. Biaxial Stresses: P Analysis of panel subject to biaxial Stresses, Reinforcement angel=45 Deg. T Tensile Stress-Strain in X dir. Stress-Strain of concrete normal to crack

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