This standard is issued under the fixed designation E ; the 1 This test method is under the jurisdiction of ASTM Committee E06 on. ASTM Ea. Standard Test Method for Performance of Exterior Windows, Curtain Walls, Doors, and Impact Protective Systems Impacted. laminated glazing systems must resist the cyclic pressure tests of ASTM E Polycarbonate glazing systems are also used in place of traditional laminated.
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The actual in-service performance of fenestration assemblies and impact protective systems in areas prone to severe windstorms is dependent on many factors.
This can increase the net outward acting pressure by a factor as high as two. Certain values contained e886 reference documents cited herein may be stated in inch-pound units and must be converted by the user.
ASTM E1886 – 13a
The missiles and their associated velocity ranges used in this test method are selected to reasonably represent typical debris produced by windstorms. 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.
Thus, there are two options in designing buildings for windstorms with windborne debris: They are not to be specified for the purpose of testing the adequacy of the assembly to remain unbreached in a windstorm environment following axtm by windborne debris.
A missile propulsion device, an air pressure system, and a test chamber are asgm to model some conditions which may be representative of windborne debris and pressures in a windstorm environment. Active view current version of standard. Typical debris in hurricanes consists of missiles including, but not limited to, roof gravel, roof tiles, signage, portions of damaged structures, framing lumber, roofing materials, and sheet metal 4, 7, 9.
A missile propulsion device, an air pressure system, and a test chamber are used to model some conditions which may be representative of windborne debris and pressures in a windstorm environment.
ASTM E – Farabaugh Engineering and Testing
This standard does not purport to address all of the safety concerns, if any, associated with its use. Windstorm damage investigations have shown that the effects of windborne debris, followed by the effects of repeated or cyclic wind loading, were a major factor in building damage Design pressures based on wind speeds with a mean recurrence interval usually 25 to years that relates to desired levels of structural reliability and are appropriate for the type and importance of the building 1.
Link to Active This link will always route to the current Active version wstm the standard. When the windward wall of a building is breached, the internal pressure in the building increases, resulting in increased outward acting pressure on the other walls and the roof.
This test method is applicable to the design of atm fenestration or impact protection systems assemblies and their installation. The performance determined by this test method relates to the ability of elements of the building envelope to remain unbreached during a windstorm. Historical Version s – view previous versions of standard.
Values given in parentheses are for information only. The performance determined by this test method relates to the ability of elements of the building envelope to remain unbreached during a windstorm.
Other test methods, such as Test Methods E and E, do not model gust loadings. The latter approach reduces the likelihood of exposing the building contents to the weather. As demonstrated by windstorm damage investigations, windborne debris is present in hurricanes and has caused a significant amount of damage to building envelopes It is appropriate to test the strength of the assembly for a time duration representative of sustained winds and gusts in a windstorm.
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. The resistance of fenestration or impact protective systems assemblies to wind loading after impact depends upon product design, installation, load magnitude, duration, and repetition.
However, these test methods do not account for other factors such as impact from windborne debris followed by fluctuating pressures associated with a severe windstorm environment.
Specific hazard statements astn given in Section 7. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A potentially more serious result is internal pressurization. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Superimposed on the averaged winds are gusts whose aggregation, for short periods of time ranging from fractions of seconds to a few seconds may move at d1886 higher speeds than the averaged winds.
This test method is applicable to the design of entire fenestration or impact protection systems assemblies and their installation. Breaching of the envelope exposes a building’s contents to the damaging effects of continued wind and rain 1,