AASHTO - American Association of State Highway and Transportation Officials
引用标准
895
适用范围
INTRODUCTION TO MATERIALS STANDARDS Overall Organization@ Release Schedule@ and Subject Areas This 2016 Edition of Transportation Materials is divided into three parts. Part 1 contains specifications and practices for materials; Part 2 includes methods of testing and specifications for testing equipment@ many of which contain both U.S. Customary and Metric units of measure; and Part 3 contains provisional standards. A number of specifications were included in this publication at the request of the AASHTO Subcommittee on Bridges and Structures. As of 2016@ AASHTO materials standards are published in digital format only. Updates are released annually in three groups@ broken up by subject area. Summaries of changes and revision charts are provided for each release for Part 1@ Part 2@ and Part 3. When a standard is revised or reconfirmed@ the release number will appear@ with month and year in parentheses@ beneath the designation number. Releases 1 through 3 occur in April@ June@ and August@ respectively@ covering the following subjects: Release 1??Hydraulic Cements; Concrete; Concrete-Related Materials; Pavement Serviceability; Environmental Quality; and Quality Assurance. Release 2??General Manufactured Materials. Release 3??Geotechnical; and Bituminous Materials and Mixtures.