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ASTM D5456-21e1

Standard Specification for Evaluation of Structural Composite Lumber Products (Includes all amendments and changes 6/9/2021).

NORMA vydaná dňa 1.2.2021

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84.00 €

Informácie o norme:

Označenie normy: ASTM D5456-21e1
Dátum vydania normy: 1.2.2021
Kód tovaru: NS-1027042
Počet strán: 36
Približná hmotnosť: 108 g (0.24 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM D5456-21e1 :

This specification recognizes the complexity of structural glued products. This specification, or parts thereof, shall be applicable to structural composite lumber portions of manufactured structural components. Tests shall be performed to determine the properties of the material in accordance to the following test methods: moisture content measurement; bending; tension parallel to grain; compression parallel to grain; compression perpendicular to grain; longitudinal shear; connections; bond quality; product durability; edgewise bending durability; lateral edge nail durability; thickness swell; and density gradient through the thickness.

Keywords:
accelerated aging, allowable design stresses, binder, durability, mechanical properties, non-binder, quality assurance, structural composite lumber,, ICS Number Code 79.060.01 (Wood-based panels in general)

Doplňujúce informácie

1. Scope

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.

2. Referenced Documents

D9-20	Standard Terminology Relating to Wood and Wood-Based Products
D150-22	Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
E119-22	Standard Test Methods for Fire Tests of Building Construction and Materials
CSA?Standards?for?Wood?Adhesives	O112-M Series
CSA O325	Construction Sheathing
ISO/IEC Guide 65	General Requirements for Bodies Operating Product Certification Systems
E96/E96M-23	Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials
D5457-23	Standard Specification for Computing Reference Resistance of Wood-Based Materials and Structural Connections for Load and Resistance Factor Design
D5764-23a	Standard Test Method for Evaluating Dowel-Bearing Strength of Wood and Wood-Based Products (Includes all amendments and changes 4/13/2023).
D6815-22a	Standard Specification for Evaluation of Duration of Load and Creep Effects of Wood and Wood-Based Products (Includes all amendments and changes 11/10/2022).
D7247-17	Standard Test Method for Evaluating the Shear Strength of Adhesive Bonds in Laminated Wood Products at Elevated Temperatures
D7480-21	Standard Guide for Evaluating the Attributes of a Forest Management Plan
E84-23d	Standard Test Method for Surface Burning Characteristics of Building Materials (Includes all amendments and changes 1/29/2024).
D4300-23	Standard Test Methods for Ability of Adhesive Films to Support or Resist the Growth of Fungi
D4442-20	Standard Test Methods for Direct Moisture Content Measurement of Wood and Wood-Based Materials
D4761-19	Standard Test Methods for Mechanical Properties of Lumber and Wood-Based Structural Materials
D4933-16(2021)	Standard Guide for Moisture Conditioning of Wood and Wood-Based Materials
D5055-19e1	Standard Specification for Establishing and Monitoring Structural Capacities of Prefabricated Wood I-Joists (Includes all amendments and changes 5/25/2023).
ISO/IEC 17025	General Requirements for the Competence of Testing and Calibration Laboratories
ISO/IEC 17065	Conformity Assessment - Requirements for Bodies Certifying Products, Processes and Services
US Product Standard PS 2	Performance Standard for Wood-Based Structural-Use Panels
D3755-20	Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials Under Direct-Voltage Stress
D3201-08	Standard Test Method for Hygroscopic Properties of Fire-Retardant Wood and Wood-Based Products
D2718-24	Standard Test Methods for Structural Panels in Planar Shear (Rolling Shear)
D2915-17(2022)	Standard Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products
D2395-17(2022)	Standard Test Methods for Density and Specific Gravity (Relative Density) of Wood and Wood-Based Materials
D2559-12a(2018)	Standard Specification for Adhesives for Bonded Structural Wood Products for Use Under Exterior Exposure Conditions (Includes all amendments and changes 8/10/2018).
D2394-17(2022)	Standard Test Methods for Simulated Service Testing of Wood and Wood-Based Finish Flooring
D245-22	Standard Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber
D669-03	Standard Test Method for Dissipation Factor and Permittivity Parallel with Laminations of Laminated Sheet and Plate Materials (Withdrawn 2012)
D1037-12(2020)	Standard Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
D1583-01(2018)	Standard Test Method for Hydrogen Ion Concentration of Dry Adhesive Films
D1666-22	Standard Test Methods for Conducting Machining Tests of Wood and Wood-Base Panel Materials
D1761-20	Standard Test Methods for Mechanical Fasteners in Wood and Wood-Based Materials
D2132-23	Standard Test Method for Dust-and-Fog Tracking and Erosion Resistance of Electrical Insulating Materials
D198-22a	Standard Test Methods of Static Tests of Lumber in Structural Sizes (Includes all amendments and changes 10/14/2022).
ISO/IEC 17020	General Criteria for the Operation of Various Types of Bodies Performing Inspection
D143-23	Standard Test Methods for Small Clear Specimens of Timber
C177-19e1	Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus (Includes all amendments and changes 2/23/2023).
C384-04(2022)	Standard Test Method for Impedance and Absorption of Acoustical Materials by Impedance Tube Method
C423-23	Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

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