Table 5 Results of 1st series of four-point bending experiments concerning the kiln-cast beams
From: Investigating the flexural strength of recycled cast glass
| 1st four-point bending experiment: Kilncast glass beams \(30\times 30\times 240\) mm, 110/220 mm supports | ||||||
|---|---|---|---|---|---|---|
| Glass type | Specimen description | Forming temperature (\(^{\circ }\hbox {C}\)) | No. of tested specimens | Flexural strength (MPa) | Average flexural strength (MPa) | |
| Minimum | Maximum | |||||
| Soda lime silica (float glass) | Fully tempered float | 1120 | 3 | 40.9 | 46.5 | 43.9 |
| Fully tempered float | 970 | 1 | 17.9 | – | ||
| Float 10 mm, 3 horizontal layers | 970 | 1 | 9.5 | – | ||
| Float 10 mm, 24 vertical layers | 970 | 1 | 9.9 | – | ||
| Float 10 mm, 3 vertical layers | 970 | 1 | 9.4 | – | ||
| Oven doors | 1120 | 1 | 46.1 | – | ||
| Borosilicate | DURAN rods \(\times \) 10 vertical | 1120 | 2 | 44.2 | 49.5 | 46.8 |
| DURAN rods \(\times \) 10 vertical | 970 | 1 | 15.5 | – | ||
| DURAN rods \(\times \) 2 vertical | 970 | 1 | 18.5 | – | ||