New Provisions in ASTM e‐ A comparison of the Basic and New Analytical Procedures for Determining the. Load Resistance of. ASTM E Standard Practice for Determining Load Resistance of Glass in Buildings Book of Standards Volume American Society for. ASTM E is the main source of technical information for architects and other design professionals to determine the right glass thickness and type to meet a.

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Start with the glass dimensions and the specified design loading. The final thickness and type of glass selected also depends upon a variety of aztm factors see 5.

The glass has been properly glazed, without any edge damage.

ASTM E – 09 Standard Practice for Determining Load Resistance of Glass in Buildings

This practice assumes that the edges of the glass are simply supported and free to slip in plane. If the load resistance is greater than the specified design loading and the center of glass deflection is reasonable, then the trial design is fine and can proceed.

The load share factor, which is the multiplying factor derived from the load sharing between two lites of equal or different types or thicknesses. The relative strength of glass for a given thickness, width, height and number of supported edges. Accommodating for wind and snow is one of the important upfront considerations in the design and specification process.

First, the impact of wind and snow on a building can be significant, which is why the design requirements must be followed carefully. Related posts you may also enjoy. Tempered glass is four times stronger than regular glass; heat strengthened is just two times stronger. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

These factors include but are not limited to: Glass deflections are to be reviewed. Specifying Large Insulated Glass Units. The single source for information on designing, specifying and building with commercial glass.

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Pure glass is incredibly strong — it only scratches or breaks because of imperfections that can occur during the manufacturing process. This practice shall not apply to asrm applications including, but not asym to, balustrades, glass floor panels, aquariums, structural glass members, and glass shelves. Designing Glass to Resist Wind and Snow Loads Accommodating for wind and snow is one of the important upfront considerations in the design and specification process.

For conversion of quantities in various systems of measurements to SI units, refer to SI The procedures operate under some basic assumptions related to glass fabrication and installation, including: The values given in parentheses are for information only.

Work Item s – proposed revisions of this standard. Determination and Report of Procedures. The glass type factor, which is the multiplying factor for adjusting the load resistance of different glass types. Work Item s – proposed revisions of this r1300. D Practice for Plastics: The number of glass edges supported. This practice assumes that 1 the supported aetm edges for two, three, and four-sided support conditions are simply supported and free to slip in plane; 2 glass supported on two sides acts as a simply supported beam; and axtm glass supported on one side acts as a cantilever.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Tempered glass deflects just as much as annealed awtm. However, some applications can be two-sided support, such as Butt Joint Glazing or sometimes even three-sided or one-sided supports.

The resulting load resistance, which is the uniform load that a glass construction can sustain without breaking. Link to Active This link will always route to the current Active version of the standard. Latest Video Fun Glass Facts!

Astm e 1300

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 on two sides acts as a simply supported beam; and 3 glass supported on one side acts as a cantilever. Appendix X3 presents a procedure to compute approximate probability of breakage for annealed AN monolithic glass lites simply supported on four sides. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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About The Education Center Resources. Link to Active This link will always route to the current Active version of the standard. How much does glass weigh? Work Item s – proposed revisions of this standard. The final thickness and type of glass selected also depends upon a variety of other factors see 5. The design load needs to be in psf or kPa.

For example, orange, red, yellow and violet colored glasses cannot be produced using standard float technology. In addition, considerations set forth in building codes along with criteria presented in safety-glazing standards and site-specific concerns may control the ultimate glass type and thickness selection. Thermal or insulation improvements achieved with an IGU work day and night in wstm summer and winter conditions, reducing heat entry and heat loss. Invalid Email Address From Satm Due to the chemistry involved in the float glass process, all the colors of the rainbow are not possible.

Glass 6mm thick will weigh 2. The center of the glass deflection will axtm result in loss of edge support Key Concepts that Address Wind and Snow Load Calculations There are five key concepts that impact the wind and snow load calculations on a project: The assumptions and calculations result in these basic design procedures that should be followed:.

This practice does not apply to glass with surface or edge treatments that reduce the glass strength.

This practice does not consider the effects of deflection on insulating glass unit seal performance. For conversion of quantities in various systems of measurements to SI units refer to Practice E The word window comes from a Norse term translated “wind eye”, for “eye on the weather.