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Standard Specification for Solid Round Glass Fiber Reinforced Polymer Bars for Concrete ReinforcementTranslate name
STANDARD published on 1.2.2022
Designation standards: ASTM D7957/D7957M-22
Publication date standards: 1.2.2022
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
ICS Number Code 91.100.30 (Concrete and concrete products)
1.1This specification covers glass fiber reinforced polymer (GFRP) bars, provided in cut lengths and bent shapes and having an external surface enhancement for concrete reinforcement. Bars covered by this specification shall meet the requirements for geometric, material, mechanical, and physical properties described herein.
1.2Bars produced according to this standard are qualified using the test methods and must meet the requirements given by . Quality control and certification of production lots of bars are completed using the test methods and must meet the requirements given in .
1.3The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables) shall not be considered as requirements of the specification.
1.4The following FRP materials are not covered by this specification:
1.4.1Bars made of more than one load-bearing fiber type (that is, hybrid FRP).
1.4.2Bars having no external surface enhancement (that is, plain or smooth bars, or dowels).
1.4.3Bars with geometries other than solid, round cross sections.
1.4.4Pre-manufactured grids and gratings made with FRP materials.
1.5This specification is applicable for either SI (as Specification D7957M) or inch-pound units (as Specification D7957).
1.6UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
1.7This 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.
1.8This 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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