ASTM E1300-12 PDF

PAGE 1 OF One of the design requirements of glass used in buildings is to resist the loads created by wind and snow. ASTM E to the French and ASTM standard, that in some cases admit a lower design thickness for glass, then for the same . NF P [5] ASTM E – Glass strength evaluation prior to ASTM E Twelve U.S. glass thickness designations were covered from millimetre to millimetre.

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For insulating glass units, this practice only applies to insulating glass units with four-sided edge support.

Thank you for helping keep Eng-Tips Forums free from inappropriate posts. Promoting, selling, recruiting, coursework and thesis posting is forbidden. The actual thickness of the glass is 5.

Download Now Defense manufacturing is all about project manufacturing and project accounting. Home E – 12ae1 E – 12ae1 September 14, Author: Summary of Practice 4.

These effective thickness values can be used with standard engineering formulae or finite element methods for calculating both deflection and glass stress of laminates subjected to load. The shear modulus value shall be determined following Practice D The PE I usually work with in regards to glass, had a medical event he has ast recovered from.

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The method applies to 2-ply laminates fabricated from both equal and unequal thickness glass plies. NOTE 2—Values are approximated. Register now while it’s still free! Use the following equation to calculate the equivalent 3-s duration design load: Use Vallabhan and Chou 1 for alternate method.

E – 12ae1 – Free Download PDF

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. This maximum calculated stress must be less than the maximum allowable stress. Similarly the LS awtm for Lite No.

Close this window and log in. The actual thickness of the glass is 0. This practice assumes that 1 the supported glass edges for two, three, and four-sided support conditions are simply supported and free e11300-12 slip in plane; 2 glass supported on two sides acts as a simply supported beam; and 3 glass supported on one side acts as a cantilever.

E 1300 – 12ae1

If the sum of all interlayer thicknesses is greater than 1. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. The question in e11300-12 is in regards to the caution stated in X1. The intent of Appendix X9 is to provide a method that allows the user to perform engineering analysis of lami- X9.

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ASTM Ea – Glass engineering – Eng-Tips

Appendix X1 provides additional procedures to determine maximum lateral deflection for glass simply supported on four sides. Effective thickness for stress: For aspect ratios greater than 5, use 5. This practice assumes that 1 the supported glass edges for two, three, and four-sided support conditions are simply supported and free to slip in plane; 2 glass supported astn two sides acts as a simply supported beam; and 3 glass supported on one side acts as a cantilever.

Under short duration loads LG is assumed to behave in a monolithic-like manner. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

It’s easy to join and it’s free. As the area of glass under a given stress increases there is an increased risk of breakage occurring. Where membrane stresses predominate, the exponent is less than 3 but this regime is outside the range of typical architectural glass design.

Will this window glass support a 1. The load sharing is then based on the individual ply thicknesses of the LG.