M 254-2006 PDF

Standard No.: M 254-2006
Release Date: 2006
Published By: AASHTO - American Association of State Highway and Transportation Officials
Latest: M 254-2006

Scope: This specification covers the materials@ manufacture@ and installation of coated dowel bars to be used where corrosion-resistant performance is essential and may be used in lieu of stainless or other approved noncorrosive metals. The dowel shall consist of a steel core covered by an organic coating.The coated dowels shall be one of the two following types:Type A??The coating material develops sufficiently low bond strength with concrete that a bond breaker is not required.Type B??The coating material develops bond strength with concrete such that a bond breaker is required.The type of bond breaker used shall be as recommended by the coating manufacturer.The values stated in SI units are to be regarded as the standard.

M 254-2006 history

2006 M 254-2006 Standard Specification for Corrosion-Resistant Coated Dowel Bars
1997 M 254-1997 MANDATE TO CEN IN THE FIELD OF STANDARDISATION RELATIVE TO THE SAFETY OF CONSUMERS FOR A FEASIBILITY STUDY ON POSSIBLE STANDARDIZATION ON FIRE RESISTANCE OF NIGHTWEAR
1977 M 254-1977 Standard Specification for Corrosion Resistant Coated Dowel Bars (HM-22; PART IA)