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    ASTM D7469 - 21

    Standard Test Methods for End Joints in Structural Wood Products

    Active Standard ASTM D7469 | Developed by Subcommittee: D07.01

    Book of Standards Volume: 04.10

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    Significance and Use

    4.1 These test methods are applicable to specimens with or without specific conditioning regimens. Tests are permitted to be performed on specimens that are not at moisture equilibrium, such as under production conditions in a plant, or on specimens that have been conditioned to specified moisture content or durability conditioning prior to testing.

    4.2 These test methods can be used as follows:

    4.2.1 To standardize the determination of strength properties for the material and joint being tested.

    4.2.2 To investigate the effect of parameters that may influence the structural capacity of the joint, such as joint profile, adhesive type, moisture content, temperature, and strength-reducing characteristics in the assembly.

    4.3 These test methods do not intend to address all possible exposure or performance expectations of end joints. The following are some performance characteristics not considered:

    4.3.1 Long-term strength and permanence of the wood adhesive.

    4.3.2 Time dependent mechanical properties of the joint.

    4.3.3 Elevated temperature performance of the joint.

    1. Scope

    1.1 This standard provides test methods for evaluating the structural capacity and integrity of end joints in structural wood products.

    1.2 Off-line test methods include: (1) Axial Tension, (2) Bending, and (3) Cyclic Delamination.

    1.3 In-line test methods include: (1) Tension Proofload and (2) Bending Proofload.

    1.4 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.

    1.5 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.

    1.6 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D9 Terminology Relating to Wood and Wood-Based Products

    D198 Test Methods of Static Tests of Lumber in Structural Sizes

    D1101 Test Methods for Integrity of Adhesive Joints in Structural Laminated Wood Products for Exterior Use

    D1151 Practice for Effect of Moisture and Temperature on Adhesive Bonds

    D1183 Practices for Resistance of Adhesives to Cyclic Laboratory Aging Conditions

    D2559 Specification for Adhesives for Bonded Structural Wood Products for Use Under Exterior Exposure Conditions

    D2915 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products

    D3434 Test Method for Multiple-Cycle Accelerated Aging Test (Automatic Boil Test) for Exterior Wet Use Wood Adhesives

    D4442 Test Methods for Direct Moisture Content Measurement of Wood and Wood-Based Materials

    D4688 Test Method for Evaluating Structural Adhesives for Finger Jointing Lumber

    D4761 Test Methods for Mechanical Properties of Lumber and Wood-Based Structural Materials

    D5456 Specification for Evaluation of Structural Composite Lumber Products

    D7247 Test Method for Evaluating the Shear Strength of Adhesive Bonds in Laminated Wood Products at Elevated Temperatures

    D7438 Practice for Field Calibration and Application of Hand-Held Moisture Meters

    E4 Practices for Force Verification of Testing Machines

    E6 Terminology Relating to Methods of Mechanical Testing

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    ICS Code

    ICS Number Code 91.080.20 (Timber structures)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D7469-21

    Citation Format

    ASTM D7469-21, Standard Test Methods for End Joints in Structural Wood Products, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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