as_1288_2006_glass_in_buildings_selection_and_installation_pdf_upgi v1.0.0

AS 1288 2006 Glass In Buildings Selection And Installation.pdf

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float glass is a thin layer of glass laid on a support in the form of a roll. the glass is cooled down slowly so that it will not break when it is cut. in order to do this, the glass is either ‘floated’ on a polished stainless steel support, or rolled on a steel support. float glass is a most common type of flat glass. it is used for window panes in buildings. the post failure behaviour of the glass is dominated by the lack of residual strength on breakage. the glass may not be able to resist loads potentially causing it to break into sharp pieces or to be crushed. it is for these reasons that monolithic annealed glass is not used as a highly stressed structural glass. float glass is subject to stress corrosion cracking under long duration loads. this phenomenon is due to chemical corrosion at the tips of surface micro-cracks caused by the action of water, which elongate the cracks. this phenomenon causes the formation of pits at the tips of these cracks which may cause penetration of the glass and penetration of the glass by shards or fragments if it is broken. the glass may also be cut by scoring and snapping which may cause the glass to shatter and cause injuries when it is broken. in the event of such breakage, the glass will tend to break into sharp-edged, pointed shards which may cause piercing and cutting injuries. it may not resist loads which could cause it to break and hence pose a hazard. this is true for broken glass in buildings as well.


in addition to its superior thermal, optical, mechanical and aesthetic properties, float glass also has a number of other advantages. it is a light weight material and is easy to handle. it has a wide tolerance of annealing. it is not porous and hence does not absorb moisture and is very strong. it is suitable for all types of windows. it is relatively easy to cut and glass can be shaped without sharp edges. it is used in building windows, in large glazing panels, and in architectural and motor vehicle windshields. it is used in aircraft, particularly in high pressure windows. it is also used in buildings, industrial and motor vehicles. 84d34552a1