Materials for Embankments
and Subgrades
AASHTOO Designation: M 57-80
Standard Specification for
This specification covers materials for use in the construction of embankments and subgrades.
The values stated in SI units are to be regarded as the standard
REFERENCED DOCUMENTS
AASHTO Standards:
M 145, Classification of Soils and Soil-Aggregate Mixtures for Highway Construction
Purposes
- M 146, Terms Relating to Subgrade, Soil-Aggregate, and Fill Materials
- T 11, Materials Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing
- T 27, Sieve Analysis of Fine and Coarse Aggregates
- T 87, Dry Preparation of Disturbed Soil and Soil Aggregate Samples for Test
- T 88, Particle Size Analysis 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 180, Moisture-Density Relations of Soils using a 4.54-kg ( l O-lb) Rammer and a 457-mm
(18-in.) Drop
- T 191, Density of Soil In-Place by the Sand-Cone Method
- T 224, Correction for Coarse Particles in the Soil Compaction Test
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