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| Differently from traditional structural materials, the structural behaviour of laminated glasses exhibits some anomalies due to the difference in the stressstrain laws of their components: glass is a brittle material, while PVB and SGP are thermoplastic materials with a visco-elastic behaviour.
| In modern high rise building, fully unitised systems are frequently being used in construction to save time and cost. Most of the unitised system comprises of structural aluminium alloy of grade 6063 T5 or T6, with spandrel panel (shadow box) and vision glass.
| In the façade industry, glass panes have been bonded to aluminium frames with UV-resistant silicone adhesives for 40 years with almost unchanged mechanical strength.
| The canopies are a composite construction between both steel and glass, leaving no element without stress or structural function.
| In recent years there have been a number of sensational reports in the media about “glass cancer” and “spontaneous glass fracture”, with stories relating to “glass raining down from highrise buildings”.