AASHTO M 57-1980 Standard Specification for Materials for Embankments and Subgrades《路堤和路基用材料的标准规范》.pdf
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1、Standard Specification for Materials for Embankments and Subgrades AASHTO Designation: M 57-80 (2012) American Association of State Highway and Transportation Officials 444 North Capitol Street N.W., Suite 249 Washington, D.C. 20001TS-1b M 57-1 AASHTO Standard Specification for Materials for Embankm
2、ents and Subgrades AASHTO Designation: M 57-80 (2012) 1. SCOPE 1.1. This specification covers materials for use in the construction of embankments and subgrades. 1.2. The values stated in SI units are to be regarded as the standard. 2. REFERENCED DOCUMENTS 2.1. AASHTO Standards: M 145, Classificatio
3、n of Soils and Soil-Aggregate Mixtures for Highway Construction Purposes M 146, Terms Relating to Subgrade, Soil-Aggregate, and Fill Materials R 58, Dry Preparation of Disturbed Soil and Soil-Aggregate Samples for Test T 11, Materials Finer Than 75-m (No. 200) Sieve in Mineral Aggregates by Washing
4、T 27, Sieve Analysis of Fine and Coarse Aggregates T 88, Particle Size Analysis of Soils T 89, Determining the Liquid Limit of Soils T 90, Determining the Plastic Limit and Plasticity Index of Soils T 99, Moisture-Density Relations of Soils Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in.) Drop T
5、 146, Wet Preparation of Disturbed Soil Samples for Test T 180, Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18-in.) Drop T 191, Density of Soil In-Place by the Sand-Cone Method T 233, Density of Soil In-Place by Block, Chunk, or Core Sampling T 310, In-Place Dens
6、ity and Moisture Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth) 3. TERMINOLOGY 3.1. Terminology for these materials is given in M 146. 4. GENERAL REQUIREMENTS 4.1. Materials shall be free from detrimental quantities of organic material, such as leaves, grass, roots, and sewage
7、. 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.TS-1b M 57-2 AASHTO 4.2. Materials obtained from cuts or borrow areas shall conform to one of the following requirements: Note 1See M 145. 4.2.1. In Emba
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