ASTM D5456-24

Standard Specification for Evaluation of Structural Composite Lumber Products

ASTM International , 12/01/2024

Publisher: ASTM

File Format: PDF

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Description

Standard By:ASTM International , 12/01/2024

Published:12/01/2024

Pages:36

File Size:1 file , 950 KB

Language:English

Note:This product is restricted and cannot be purchased in the following countries Russia, Ukraine, Belarus

1.1 This specification recognizes the complexity of structural glued products. Consequently, this specification covers both specific procedures and statements of intent that sampling and analysis must relate to the specific product.

1.2 This specification was developed in the light of currently manufactured products as defined in 3.2. Materials that do not conform to the definitions are beyond the scope of this specification. A brief discussion is found in Appendix X2.

1.3 Details of manufacturing procedures are beyond the scope of this specification.

Note 1: There is some potential for manufacturing variables to affect the properties of members that are loaded for sustained periods of time. Users of this specification are advised to consider the commentary on this topic in Appendix X2.

1.4 This specification primarily considers end use in dry service conditions defined in the governing code-referenced design standards, such as in most covered structures. The conditioning environment of 6.3 is considered representative of such uses.

1.5 The performance of structural composite lumber is affected by wood species, wood element size and shape, and adhesive and production parameters. Therefore, products produced by each individual manufacturer shall be evaluated to determine their product properties, regardless of the similarity in characteristics to products produced by other manufacturers. Where a manufacturer produces product in more than one facility, each production facility shall be evaluated independently. For additional production facilities, any revisions to the full qualification program in accordance with this specification shall be approved by the independent qualifying agency.

1.6 This specification is intended to provide manufacturers, regulatory agencies, and end users with a means to evaluate a composite lumber product intended for use as a structural material.

1.7 This specification covers initial qualification sampling, mechanical and physical tests, analysis, and design value assignments. Requirements for a quality-control program and cumulative evaluations are included to ensure maintenance of allowable design values for the product.

1.8 This specification, or parts thereof, shall be applicable to structural composite lumber portions of manufactured structural components.

1.9 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.10 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.11 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D5456-24

Standard Specification for Evaluation of Structural Composite Lumber Products

ASTM D5456-24 History

ASTM D5456-24

ASTM D5456-19e1

ASTM D5456-18

ASTM D5456-17e1

ASTM D5456-14

ASTM D5456-14b

ASTM D5456-13a

ASTM D5456-12

ASTM D5456-10a

ASTM D5456-10

ASTM D5456-09

ASTM D5456-09a

ASTM D5456-08

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