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.
| Specimen | Energy absorption value (J) | = 2.5 | = 5.0 | = 7.5 | = 10.0 | = 12.5 | = 15.0 | = 17.5 | = 20.0 | = 22.5 | = 25.0 |
| S2-1 | 87.09 | 158.57 | 209.31 | 243.37 | 264.82 | 277.01 | 285.52 | 294.10 | 304.27 | 322.08 | S3-3 | 108.72 | 211.85 | 296.73 | 363.26 | 418.23 | 462.53 | 497.25 | 522.55 | 545.26 | 565.10 | S4-1 | 93.10 | 170.45 | 227.34 | 267.63 | 294.01 | 313.08 | 327.14 | 338.92 | 353.30 | 373.23 |
|
|
is the centre deflection of shotcrete square slab (mm). |