Uniaxial Damaged Plastic Constitutive Relation of Recycled Aggregate Concrete

Table 3

Main mechanical properties of the RAC.

No.	Compressive strength (MPa)			Peak strain (10^−3)		Elastic modulus (GPa)		Secant modulus (GPa)
	fcu	fc,1	fc,2	εc,1	εc,2	Ec,1	Ec,2	Es,1	Es,2
NAC	31.14	27.40	24.59	1.95	1.96	31.58	28.85	14.05	12.55
RAC-25	32.48	27.50	26.81	2.03	2.11	30.49	28.76	13.54	12.71
RAC-50	29.22	22.92	24.19	2.09	2.09	25.01	27.12	10.97	11.57
RAC-75	37.28	26.94	27.53	2.32	2.23	26.63	28.00	11.61	12.35
RAC-100	38.05	28.78	27.84	2.54	2.41	25.20	26.12	11.33	11.55