Uniaxial Compressive Test of High Ductile Fiber-Reinforced Concrete and Damage Constitutive Model

Table 3

Characteristic points of HDC stress-strain curve.

Code	(kN)	(MPa)	(MPa)	(10^−3)	(10^−3)	(10^−3)	(10^−3)
1	630.55	63.06	—	2.13	—	—	—
2	502.78	50.28	10.06	5.69	6.02	6.67	8.64
3	568.50	56.85	11.37	6.01	6.66	6.95	11.28
4	622.52	62.25	12.45	6.72	8.01	9.32	14.07
5	560.35	56.04	11.21	6.33	7.05	7.69	11.16
6	528.38	52.84	10.57	6.52	7.88	9.52	12.76
7	536.35	53.64	10.73	6.34	7.90	9.47	13.80
8	644.32	64.43	12.89	5.61	6.41	6.94	8.87
9	519.60	51.96	10.39	6.48	8.14	9.23	13.57
10	560.05	56.01	11.20	5.56	6.05	6.66	8.10

Note: (1) is peak load; is peak stress; is the strain corresponding to peak stress; (2) is the stress value when the stress declines to 20% of peak stress; (3) , , and are the corresponding ultimate compressive strain values when the stress declines to 85%, 50%, and 20% of peak stress, respectively.