Bending Properties of Short-Cut Basalt Fiber Shotcrete in Deep Soft Rock Roadway

Table 4

Test results of mechanical properties of BF reinforced concrete square slabs.

Content of BF (kg/m^3)	Specimen	Initial cracking deflection (mm)	Initial crack load	Average value	Peak deflection (mm)	Peak load (kN)	Average value	Residual load (kN)	Average value
0	S1-1	0.74	33.86	34.67	0.74	33.86	34.67	0.0	0.00
	S1-2	0.67	34.56		0.82	34.56		0.0
	S1-3	0.81	35.60		1.10	35.60		0.0
3	S2-1	1.30	40.66	39.55	1.75	43.35	43.51	2.98	3.37
	S2-2	1.28	39.42		1.88	44.62		3.52
	S2-3	1.13	38.56		1.68	42.57		3.62
4.5	S3-1	0.94	46.82	46.80	1.80	53.51	53.22	8.62	8.48
	S3-2	0.87	45.36		1.74	52.04		8.50
	S3-3	1.18	48.23		1.89	54.11		8.33
6	S4-1	0.74	38.62	40.01	1.52	45.51	45.19	5.45	5.11
	S4-2	0.82	40.87		1.49	46.02		5.02
	S4-3	0.81	40.53		1.60	44.05		4.86