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

Table 3

The dispersion of different content of BF in transparent soil.

Specimen	Fiber content (kg/m^3)	Visible fiber number	Distribution situation	Dispersion coefficient	Fiber contribution growth coefficient
P0	0	0	0	—	—
P1	1.5	67	Large fiber spacing	0.7	0.05
P2	3	126	Moderate fiber spacing	0.76	1.171
P3	4.5	158	Uniform distribution of fiber spacing	0.52	0.026
P4	6	196	Uneven distribution of fibers	0.46	0.179
P5	7.5	237	Poor fiber distribution	0.37	0.005