Research Article

Study on Mechanical Properties and Damage Evolution of High-Porosity Concrete under Cyclic Loading and Unloading

Figure 5

Variation law of mechanical properties of concrete under different stress amplitudes. (a) Variation law of loading elastic modulus EF of concrete with the cycle number C under different stress amplitudes. (b) Variation law of unloading elastic modulus EC of concrete with the cycle number C under different stress amplitudes. (c) Variation law of peak strain of concrete with the cycle number C under different stress amplitudes. (d) Variation law of residual plastic deformation of concrete with the cycle number C under different stress amplitudes.
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