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3. Conclusion
It is possible to produce high-quality tempered laminated glass economically and with production yields equivalent to those of ordinary laminated glass. To achieve this, the manufacturing process must be improved. First of all, it will be necessary to improve the tempering process and impose higher quality criteria than those described in the standards for annealed glass (NF EN 572-2), tempered glass (NF EN 12150) and toughened glass (EN NF 1863-1). In particular, tolerances on general and local deformations must be reinforced. Tempered glass must be heat-treated (HST) before assembly. The choice and thickness of interlayers will then depend on the production tool.
EVA interlayers seem better suited to vacuum degassing processes, small volumes and short production runs, due to their better flow properties. PVB interlayers are well suited to calendered degassing...
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Conclusion
Bibliography
Software tools
GINGER-CEBTP: "Vitrage Décision 5.1 – sept. 2011" software.
Standards and norms
- Glass in construction – Base products: soda-lime silicate glass – Part 2: Float glass - NF EN 572-2 -
- Glass in construction – Thermally toughened soda-lime silicate safety glass – Part 1: definition and description - NF EN 12150-1 -
- Glass in construction – Thermally toughened soda-lime silicate safety glass – Part 2: Conformity assessment - NF EN 12150-2 -
- Hardened glass – Part 1: Definition...
Regulations
CPD-89/106/EEC: European Construction Products Directive (Official Journal L40, Feb. 11, 1994) and interpretative documents (id's – Official Journal C62, Feb. 28, 1994).
Eurocodes CEN/TC250: EN 1990 – Basis of Structural design – and EN 1991 – Actions on structure.
FFPV: design and installation rules for tempered glass installations.
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
1 – Equipment manufacturer (machine tools)
Glaston (Bavelloni, Tamglass & Uniglass) http://www.glaston.fi
Bystronic glass http://www.bystronic.fr
...
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