ASTM D7147 - 11

    Standard Specification for Testing and Establishing Allowable Loads of Joist Hangers

    Active Standard ASTM D7147 | Developed by Subcommittee: D07.05

    Book of Standards Volume: 04.10


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    Abstract

    This specification covers a procedure for evaluating metal devices used for wood-to-wood, wood-to-concrete, wood-to-concrete masonry, and wood-to-steel joist, beam, and girder connections. It describes test methods for evaluating the capacities of joist hangers subject to vertical and torsional loading. Also, this specification provides a method of assigning allowable loads to joist hangers based on measured strength and deformation characteristics. Test specimens consisting of a length of joist supported by joist hangers attached to two headers are subjected to a vertical load by a suitable testing machine, while the vertical load and corresponding deflection of the joist are measured and recorded to provide load-slip data.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers a procedure for evaluating metal devices used for wood-to-wood, wood-to-concrete, wood-to-concrete masonry, and wood-to-steel connections. This method is intended for use with devices used to connect joists, beams, and girders together. These devices are commonly described as joist hangers.

    1.2 This specification describes test methods for evaluating the capacities of joist hangers subject to vertical and torsional loading.

    1.3 This specification provides a method of assigning allowable loads to joist hangers based on measured strength and deformation characteristics. Information obtained by the provisions of this specification is applicable to design when using the Allowable Stress Design method.

    1.4 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.


    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

    C31/C31M Practice for Making and Curing Concrete Test Specimens in the Field

    C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens

    C1314 Test Method for Compressive Strength of Masonry Prisms

    D9 Terminology Relating to Wood and Wood-Based Products

    D2395 Test Methods for Specific Gravity of Wood and Wood-Based Materials

    D3737 Practice for Establishing Allowable Properties for Structural Glued Laminated Timber (Glulam)

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

    D5055 Specification for Establishing and Monitoring Structural Capacities of Prefabricated Wood I-Joists

    D5456 Specification for Evaluation of Structural Composite Lumber Products

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

    E4 Practices for Force Verification of Testing Machines

    E8 Test Methods for Tension Testing of Metallic Materials

    E575 Practice for Reporting Data from Structural Tests of Building Constructions, Elements, Connections, and Assemblies

    F606 Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets

    F1470 Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection

    F1575 Test Method for Determining Bending Yield Moment of Nails

    Other Standards

    ACI318/318R-08 Building Code Requirements for Structural Concrete and Commentary


    ICS Code

    ICS Number Code 91.190 (Building accessories)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard

    DOI: 10.1520/D7147-11

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D7147-11, Standard Specification for Testing and Establishing Allowable Loads of Joist Hangers, ASTM International, West Conshohocken, PA, 2011, www.astm.org

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