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AASHTO M 275M/M 275-08 (2016)
- Standard Specification for Uncoated High-Strength Steel Bars for Prestressing Concrete (ASTM Designation: A 722/A 722M-07)
- standard by American Association of State and Highway Transportation Officials, 2008
- Publisher: AASHTO
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This specification covers uncoated high-strength steel bars intended for use in pretensioned and post-tensioned prestressed concrete construction or in prestressed ground anchors. Bars are of a minimum ultimate tensile strength level of 1035 MPa [150000 psi].
Two types of bars are provided: Type I bar has a plain surface and Type II bar has surface deformations.
Two types of bars are provided: Type I bar has a plain surface and Type II bar has surface deformations.