Standard Specification for High-Strength Steel Bars for Prestressed Concrete
STANDARD published on 1.9.2018
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Designation standards: ASTM A722/A722M-18
Publication date standards: 1.9.2018
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers uncoated high-strength steel bars intended for use in pretensioned and post-tensioned prestressed concrete construction or in prestressed ground anchors. Two types of bars are considered: Type I bar, which has a plain surface and Type II bar, which has surface deformations. The bars shall be rolled from properly identified heats of ingot cast or strand cast steel. The bars shall be subjected to cold-stressing and then shall be stress-relieved to produce the prescribed mechanical properties. Yield strength, elongation, and tension tests shall be performed.
Keywords:
deformed bars, high-strength steel bars, plain bars , prestressed concrete, prestessed ground anchors,, ICS Number Code 77.140.15 (Steels for reinforcement of concrete)