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Building Construction GLAZING
Buildings with glass walls reperesent modernity. Descretly assembled glass plates enable easy plastic formation of shapes and sensation of lightness.
The following glass systems can be distinguished: 1. Assembled on aluminium shape grate 2. Assembled pointwise 3. Structural glass
Assembled on aluminium shape grate (dominating horizontal/vertical lines) ď Ž Aluminium shapes form
column-beam system in which the facades have visible lines of division. Such facades are durable and resistant. Insulation is achieved by continuous thermal spacers and profiled gaskets.
ď Ž This
systems enables erection of walls bent either vertically or horizontally. Figure 23: Efekt Aluminium. Glass facade on aluminium grate
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Assembled pointwise Figure 24: Pointwise glass assembly scheme
ď Ž Glass panels are assembled
with steel elements. Inner plates are fixed mechanically. Pins are introduced into the glass. External plate is glued to the structure with constructional silicon.
ď Ž Such a facade is externally
uniform. Seal of the connection of glass and bolts is realised with silicon sealants which additionally increases stiffness of structure.
1. hardened glass 2. hardened and resined glass 3. constructional silicone 4. bolt http://www.frontdesk.co.in/forum/ 5. X-bit
Structural glass In this technology a silicon glue is the only binder bonding a glass panel to the structure of the building. Double-sided system. Two sides of the glass set are glued to the aluminium frame while the remaining two are fixed mechanically. 1.
dilatational tape
2.
structural silicon
Figure 25: Double-sided system scheme
Four-sided system. All four sides of the panel are glued to the aluminium frame.
Glass-rib system. Facade glass panels are sticked to the glass ribs mechanically assembled to the structure of the building. Figure 27: Glass-rib system scheme
1.
structural silicone
2.
PE filling cord
3.
silicon sealant
Figure 26: Four-sided system scheme
Glued bolt system. Panels are fixed to the aluminium frame by means of a glued bolt. http://www.frontdesk.co.in/forum/
These systems can be divided into two statical groups: supported
self load of panels is transferred by mechanical support
not-supported self load is transferred only by constructional glue, thus the silicons used must be durable and resistant enough to withstand the weight of the facade, atmospheric loads and subgrade vibrations
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Advantages of glass facades: high water resistance, durability, easiness in maintenance, resistance to atmospheric condiditons, strength, thermal and sound insulation, fire resistance, unlimited possibility of shaping.
Figure 28: Glass facade scheme
1. uplift floor 2. stamp aluminium column 3. back edge of beam 4. aluminium beams 5. external strip between windows 6. movable internal shutter 7. aluminium profiles fixed to column 8. removable aluminium screen 9. RC lintel 10. undersling ceiling 11. double complex glass panels 12. RC column
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