ASTM-D7746 Standard Practice for Calculating the Superimposed Load on Wood-frame Floor-Ceiling Assemblies for Standard Fire-Resistance Tests

ASTM-D7746 - 2011 R16 EDITION - CURRENT
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Standard Practice for Calculating the Superimposed Load on Wood-frame Floor-Ceiling Assemblies for Standard Fire-Resistance Tests
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Scope

1.1 This practice covers procedures for calculating the superimposed load required to be applied to load-bearing wood-frame floor-ceiling assemblies throughout standard fire-resistance tests.

1.2 These calculations determine the maximum superimposed load to be applied to the floor-ceiling assembly during the fire resistance test. The maximum superimposed load, calculated in accordance with nationally-recognized structural design criteria, shall be designed to induce the maximum allowable stress in the wood floor-ceiling fire test configuration being tested.

1.3 This practice is only applicable to those wood-frame floor-ceiling assemblies for which the nationally recognized structural design criteria are the NDS (National Design Specification for Wood Construction).

1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

1.5 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

Keywords

fire resistance; floor assembly; superimposed load; wood ;; ICS Number Code 13.220.50 (Fire-resistance of building materials and elements); 79.080 (Semi-manufactures of timber)

To find similar documents by ASTM Volume:

04.10 (Wood)

To find similar documents by classification:

13.220.50 (Fire-resistance of building materials and elements)

79.080 (Semi-manufactures of timber Including parquet, wood paving, handles, etc.)

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Document Number

ASTM-D7746-11(2016)

Revision Level

2011 R16 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Aug. 15, 2016

Document Type

Practice

Page Count

5 pages

Committee Number

D07.05