Mode II Fracture Toughness of Hybrid FRCs

International Journal of Concrete Structures and Materials

Table 6 Mode II fracture toughness K _IIc for hybrid and single FRC.

		(a/w)	Current study				Sherbini (2014)
		(a/w)	S/PP	S/G	G/PP	S/G/PP	S	G	PP
Mode II fracture toughness (Mean ± SD) K _IIC MPa√mm	DENP	0.3	75 ± 2.91	73 ± 2.10	70 ± 3.48	66 ± 1.54	65	66.4	69.6
		0.4	70 ± 2.00	67 ± 3.11	65 ± 1.72	62 ± 2.65	60	61.1	66.4
		0.5	69 ± 3.21	65 ± 1.58	63 ± 2.02	58 ± 1.19	56.9	60.1	66.4
	DNC	0.3	143 ± 4.72	137 ± 4.45	105 ± 4.79	100 ± 4.89	135	111	123
		0.4	129 ± 5.16	126 ± 4.63	96 ± 3.78	95 ± 2.45	122	105	110
		0.5	118 ± 5.88	117 ± 5.50	95 ± 3.30	95 ± 4.57	107	103	106
	BND	0.3	45.5 ± 1.68	43 ± 1.02	44 ± 2.02	37.5 ± 0.78	40.6	36.4	41.5
		0.4	42 ± 1.69	40 ± 1.57	41 ± 1.14	34.5 ± 0.99	36.7	35	39
		0.5	41 ± 1.89	39 ± 1.13	41 ± 1.73	34 ± 1.57	36.1	34.8	37
	4PS	0.3	40 ± 1.97	38 ± 1.66	27 ± 0.84	28 ± 0.58	37	33.5	36
		0.4	35 ± 1.62	34 ± 1.48	25 ± 0.72	26 ± 1.13	32.5	29.2	30.7
		0.5	34 ± 1.02	32 ± 0.99	25 ± 0.72	25.5 ± 0.76	31	27.4	30