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Safety glass in modern architecture Toughened glass solutions

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In both surfaces of the glass sheet there is compression stress, which decreases ... Glass solutions in interior decoration (pl.shelves, tables, displays) ... – PowerPoint PPT presentation

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Title: Safety glass in modern architecture Toughened glass solutions


1
Safety glass in modern architecture Toughened
glass solutions
2
Contents
  • Toughened glass
  • Definition
  • Techincal description
  • Parameters
  • Field of application
  • Applied fittings
  • Glass walls without frames
  • References

3
What is toughened glass?
  • Definition
  • The toughened glass is a single-layer glass in
    which a tension-spread system forms due to
    conscious heat treatment. Because of this, the
    mechanical resistance ability of the glass rises
    seven eight times.

4
Technical description
  • In both surfaces of the glass sheet there is
    compression stress, which decreases along the
    thickness of the glass sheet and in the centre it
    forms tension stress. The compression and tension
    stressed fields are separated from each other
    with neutral zones.
  • If the toughened glass is tried to be bent, first
    the compression stress decreases on the pulled
    surface and just after the tension stress will
    form, which leads to breakage.
  • As a result of this, the toughened glass has
    bigger mechanical strength and hardness than a
    traditional float glass.

5
Mechanical parameters of toughened safety glass
  • Producible sizes (SZILÁNK)
  • Thickness (mm) 4 19
  • Minimum size (mm) 150 x 280 mm
  • Maximum size (mm) 2450 x 4500 mm
  • Physical properties
  • Weight 2,5 kg / m2 per mm (thickness)
  • Compressive strength 7 900 N / mm2
  • Bending strength 80 150 N / mm2
  • Heat resistance 200 C
  • Heat conduction 0,8 W/mK
  • Flexibility 7,0 x 104 N / mm2
  • Coefficient of expansion 9,0 x 10 6 K 1
  • e.g. 100 K heat difference approx. 1,0 mm / m

6
Fields of application
  • Glass canopies
  • Glass roofs
  • Glass stairs
  • Glass floors
  • Glass walls, doors without frames
  • Shower stalls
  • Glass strengthening ribs for glass walls
  • Load-bearing glass implements, load-bearing glass
    beams, glass coverings
  • Point-jointed facades
  • Glass solutions in interior decoration
    (pl.shelves, tables, displays)

7
Glass walls without frames
  • The toughened glass sheets, doors without frames
    are produced for mainly indoor utilization,
    because the meeting edges are grinded and there
    is a 2-7 mm-wide gap between them.
  • The doors can be
  • opening, swinging
  • sliding
  • folding
  • Many manufacturers produce fittings for
    assembling of toughened glass sheets, such as
    SEVAX, DORMA, CASMA, GEZE, etc.
  • For installation of glass walls and doors without
    frames we use catchers chosen by the customers.

8
The most frequent arrangements in case of opening
doors
9
The most frequent arrangements (continue)
10
Application of glass strengthening rib
11
References
Media Markt- Szeged
12
References
Szeged Plaza
13
References
CSMFH- Szeged
14
References
Court-house - Szeged
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