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Table 2 Material properties used in the FE modeling.

From: Behavior of FRP-Strengthened RC Beams with Large Rectangular Web Openings in Flexure Zones: Experimental and Numerical Study

Concrete
Material model Type 159 (MAT_CSCM_CONCRETE)
Density (kg/m3) 2320
Uniaxial compressive strength (MPa) 50
Max aggregate size (mm) 10
Steel rebars, threaded rods and plates ф8 ф10 ф16 Threaded rods Plates
Material model Type 24 (MAT_PIECEWISE_LINEAR_PLASTICITY)
Density (kg/m3) 7850
Young’s modulus (GPa) 200
Poisson’s ratio 0.3
Yield stress (MPa) 570 575 575 350 250
Tangent modulus (MPa) 0 982 982 0 0
Plastic strain to failure (%) 11.7 11.7 11.7 19.8 19.9
FRP material CFRP system GFRP system
Material model Type 54-55 (MAT_ENHANCED_COMPOSITE_DAMAGE)
Density (kg/m3) 1740 2550
Thickness per layer (mm) 1.0 1.3
Young’s modulus in long. dir. (GPa) 82 20.9
Young’s modulus in transverse dir. (GPa) 3.6 0.9
Longitudinal tensile strength (MPa) 834 460
Transverse tensile strength (MPa) 83.4 46