Standard Specification for Testing and Establishing Allowable Loads of Joist Hangers
NORMA vydaná dňa 1.7.2021
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Designation standards: ASTM D7147-21
Publication date standards: 1.7.2021
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
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.
Keywords:
connections, connectors, connectors for wood, hangers, hanger allowable loads, hanger capacities, hanger test, hanger testing, joist hangers, metal connectors, structural connectors, wood connections, wood connectors, wood to wood connectors,, ICS Number Code 91.190 (Building accessories)