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Re: Glass information

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Hereafter is some data I found in a recent German publication
about the properties of glass as structural element:
(If you can read German, try to find the April 1998
issue of STAHLBAU, Ernst&Sohn Pub. The whole issue is devoted
to the application of "structural glass". I could also send you a copy
if this subject is very important to you)

 -Unit Weight:		25 kN/m^3
 -E-Modulus:		70 000 to 75 000 MPa
 -S-Modulus:		28 000 to 30 000 MPa
 -Poisson-R:		0.25
 -Ultimate Strength:	30 to 90 MPa
 -Compression Strength:	700 to 900 MPa
 -Abrasive Hardness:	5-6
  (after Mohs at al.)
 -Impact Resistance:	1.2 to 4.1  Nm    (depending on glass thickness)
  (Impact Work at Failure)
 -"Thermal Softening"-Temperature:	560-580 °C
 -Thermal Expansion Coefficient:	9.0 x 10^-6        1/Kelvin

Peter Rangelow
Frankfurt, Germany
	
 ----------
Von: JPWillow
An: seaoc(--nospam--at)seaoc.org
Betreff: Glass information
Datum: Dienstag, 21. April 1998 15:37

I am trying to find the physical properties of tempered glass, E, bending
strength, etc. to justify a glass handrail design. Does anyone know or can
anyone tell me where I may find the such information ? Thanks.

JPWillow