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ASTM A974-97(2021)
Standard Specification for Welded Wire Fabric Gabions and Gabion Mattresses (Metallic-Coated or Polyvinyl Chloride (PVC) Coated)
NORMA vydaná dňa 1.9.2021
Informácie o norme:
Označenie normy: ASTM A974-97(2021)
Dátum vydania normy: 1.9.2021
Kód tovaru: NS-1038084
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM A974-97(2021) :
This specification covers gabions and gabion mattresses produced from metallic-coated welded wire fabric, and metallic-coated wire for spiral binders, lacing wire, and stiffeners used to assemble the product. The material shall conform to the required values of tensile strength, weld shear strength, panel-to-panel joint strength. Salt spray and ultraviolet exposure tests shall be performed wherein the PVC coating shall conform to the required values of specific gravity, tensile strength, elastic modulus, hardness, brittleness temperature and resistance to abrasion.
Keywords:
gabion mattresses, gabions, metallic-coated fabric, PVC-coated fabric, steel wire, welded wire fabric,, ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)
Doplňujúce informácie
| 1. Scope | ||||||||||||||||||||||||||||||||||
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1.1?This specification covers gabions and gabion mattresses produced from metallic-coated welded wire fabric, and metallic-coated wire for spiral binders, lacing wire, and stiffeners used to assemble the product. The metallic-coated fabric may be polyvinyl chloride (PVC) coated after fabrication. The spiral binders, lacing wire, and stiffeners may be PVC coated after metallic coating. Polyvinyl chloride hereinafter will be designated as PVC. 1.2?Welded wire fabric for gabions and gabion mattresses is produced in five styles, based on the kind of coating, as described in Section 4. 1.3?The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.4?This specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this specification. 1.5?The following safety hazards caveat pertains only to the test methods portion, Section 13, of this specification: 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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||
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