Research Article

Damage Evolution of Steel-Polypropylene Hybrid Fiber Reinforced Concrete: Experimental and Numerical Investigation

Figure 16

Stress-strain relationships of the CDP model in ABAQUS: (a) compressive curve; (b) tensile curve; (c) uniaxial load cycle (tension-compression-tension) response considering different values for the stiffness recovery factors.
(a)
(b)
(c)