Figure 1.
Tested samples: (a) front view; (b) cross-section (exploded view). Dimensions in mm
Figure 2.
The offset of the holes in samples
Figure 3.
Comparison of reference and reinforced samples
Table 1.
Overview of the tested samples
| Test Series | Glass Thickness (mm) | Interlayer |
|---|---|---|
| G8-REF | 2 × 8 mm | 2 × 1.52 mm |
| G8-MESH | ||
| G10-REF | 2 × 10 mm | |
| G10-MESH | ||
| G12-REF | 2 × 12 mm | |
| G12-MESH |
Figure 4.
Experimental set-up: (a) front view; (b) cross-section. Dimensions in mm
Figure 5.
Test stand: a) front view; b) back view
Figure 6.
Experimental results: force – displacement history for selected samples of G12 series
Figure 7.
Samples’ destruction phases: a) simultaneous glass breakage; b) non-simultaneous glass breakage; c) ultimate failure of reference (REF) sample, d) ultimate failure of reinforced (MESH) sample
Figure 8.
Failure modes of samples during tests: a) simultaneous breakage of panes; b) progressive breakage of panes
Table 2.
Results of the experimental study
| Test Series | Fel,max T [kN] | u(Fel,max T) [mm] | Fel,max M1 [kN] | u(Fel,max M1) [mm] | Fel,max M2 [kN] | u(Fel,max M2) [mm] | Fcr,min [kN] | Fcr,max [kN] | ucr,ult [mm] |
|---|---|---|---|---|---|---|---|---|---|
| G8-REF | 8.76 ± 0.13 | 1.00 ± 0.07 | 5.71 ± 2.18 | 0.82 ± 0.30 | 11.45 ± 2.87 | 1.92 ± 0.41 | 0.06 ± 0.01 | 1.24 ± 0.10 | 96.34 ± 2.02 |
| G8-MESH | 13.30 ± 3.18 | 0.92 ± 0.43 | 7.76 ± 2.2 | 0.92 ± 0,35 | 13.00 ± 2.67 | 2.05 ± 0.55 | 2.52 ± 0.34 | 4.80 ± 0.22 | 87.20 ± 10.04 |
| G10-REF | 11.10 ± 1.83 | 1.00 ± 0.39 | 12.27 ± 3.37 | 1.17 ± 0,27 | 14.98 ± 4.64 | 2.04 ± 0.68 | 0.08 ± 0.02 | 1.17 ± 0.13 | 98.29 ± 10.04 |
| G10-MESH | 20.30 ± 3.71 | 1.69 ± 0.10 | 15.20 ± 4.17 | 0.9 ± 0.27 | 21.88 ± 9.57 | 1.59 ± 0.28 | 2.32 ± 0.46 | 4.92 ± 0.22 | 85.43 ± 12.04 |
| G12-REF | 18.79 ± 5.17 | 1.47 ± 0.16 | 11.75 ± 0 | 1.7 ± 0 | 21.05 ± 0 | 2.02 ± 0 | 0.06 ± 0.01 | 1.23 ± 0.13 | 99.68 ± 11.73 |
| G12-MESH | 20.72 ± 2.85 | 0.87 ± 0.29 | 29.18 ± 5.46 | 1.97 ± 0,02 | 32.97 ± 3.07 | 2.60 ± 0.04 | 2.15 ± 0.45 | 4.67 ± 0.61 | 89.55 ± 8.28 |
Figure 9.
Average decrease in Fel,max force after glass breakage: a) first mode of glass failure; b) second mode of glass failure
Figure 10.
Results in the post-breakage phase: a) maximum force in the post-breakage phase Fcr,max; b) post-breakage load capacity Fcr,max / Fel,max for each sample
Figure 11.
Displacement at ultimate failure uc,ult