Research Article

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

Table 5

Effect of BF on energy absorption of shotcrete square slabs.

SpecimenEnergy absorption value (J)
 = 2.5 = 5.0 = 7.5 = 10.0 = 12.5 = 15.0 = 17.5 = 20.0 = 22.5 = 25.0

S2-187.09158.57209.31243.37264.82277.01285.52294.10304.27322.08
S3-3108.72211.85296.73363.26418.23462.53497.25522.55545.26565.10
S4-193.10170.45227.34267.63294.01313.08327.14338.92353.30373.23

is the centre deflection of shotcrete square slab (mm).