Experimental Investigation on Damage Behavior of Polypropylene Fiber Reinforced Concrete under Compression

International Journal of Concrete Structures and Materials

Table 3 Results of compressive test under monotonic loading.

Specimen	Peak strength		Peak strain		Ultimate strain		Modulus of elasticity		Compressive toughness
Specimen	Tested (MPa)	Ratio^a (%)	Tested (10⁻³)	Ratio^b (%)	Tested (10⁻³)	Ratio^c (%)	Tested (GPa)	Ratio^d (%)	Tested (10⁻³MPa)	Ratio^e (%)
PF000	36.57	0.00	1.775	0.00	6.294	0.00	2.463	0.00	121.68	0.00
PFA05	33.40	− 8.67	1.688	− 4.90	7.085	12.57	2.616	6.21	124.26	2.12
PFA10	33.66	− 7.96	1.854	4.45	7.767	23.40	2.679	8.77	136.43	12.12
PFA15	34.27	− 6.29	1.987	11.94	7.336	16.55	2.725	10.64	140.95	15.84
PFA20	29.06	− 20.54	2.016	13.58	5.586	11.25(–)	2.224	9.70(–)	144.25	18.55
PFB10	33.12	− 9.43	1.833	3.27	7.686	22.12	2.642	7.27	139.70	14.80
PFB15	34.00	− 7.03	1.895	6.76	8.271	31.41	2.748	11.57	146.04	20.02
PFC10	34.34	− 6.10	1.765	0.56	7.029	11.68	2.730	10.84	128.26	5.41
PFC15	33.68	− 7.90	1.694	4.56	7.583	20.50	2.926	18.80	132.99	9.29

The superscripts a, b, c, d, e represent the ratio of peak strength, peak strain, ultimate strain and elastic modulus as well as energy dissipation capacity related to that of control specimen (plain concrete PF000), respectively.