Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 7.
Figure 5.
Figure 6.
Figure 8.
Non-changeable parameters
| E m | 30000 Mpa |
| v m | 0.2 |
| E | 7000 Mpa |
| d f | 0.78 mm |
| R/r | 50.8 |
| sref | 0.25 mm |
| a | 0.1 |
Critical length of anchorage
| Fibre types | Cement content [g] | F max [N] | τ [MPa] | L crit [mm] |
|---|---|---|---|---|
| Waved fibre | 150 | 280 | 2.5 | 45 |
| 225 | 3.4 | 33 | ||
| 300 | 4 | 28 | ||
| 375 | 4 | 28 | ||
| 450 | 4 | 28 | ||
| Ribbed fibre | 150 | 180 | 2 | 37 |
| 225 | 3 | 24 | ||
| 300 | 3.4 | 21 | ||
| 375 | 3.8 | 19 | ||
| 450 | 3.8 | 19 |
Experimental samples
| Experimental samples - five pieces of every similar case All of the mix prepared from 1250 g standard sand (according to EN 196-1), sum total 450 g CEM I 42.5 R cement and limestone powder and 225 g water, water-mix (cement and limestone) ratio 0.5 | |||||
|---|---|---|---|---|---|
| Sign of the sample | Cement content of the mix [g] | Limestone powder content of the mix [g] | Fibre type | Anchoraged length [mm] | Anchoragement type |
| 150_20 | 150 | 300 | waved/ribbed | 20 | one-sided/ two-sided |
| 225_20 | 225 | 225 | waved/ribbed | 20 | one-sided/ two-sided |
| 300_20 | 300 | 150 | waved/ribbed | 20 | one-sided/ two-sided |
| 375_20 | 375 | 75 | waved/ribbed | 20 | one-sided/ two-sided |
| 450_20 | 450 | - | waved/ribbed | 20 | one-sided/ two-sided |
| 150_15/150_20/150_25 | 150 | 300 | waved/ribbed | 15/20/25 | one-sided |
| 225_15/225_20/225_25 225 | 225 | 225 | waved/ribbed | 15/20/25 | one-sided |
| 300_15/300_20/300_25 | 300 | 150 | waved/ribbed | 15/20/25 | one-sided |
| 375_15/375_20/375_25 | 375 | 75 | waved/ribbed | 15/20/25 | one-sided |
| 450_15/450_20/450_25 | 450 | - | waved/ribbed | 15/20/25 | one-sided |