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Western Alliance for Quality Transportation Construction

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Library - Embankment & Base Test Methods

Embankment & Base Field Operating Procedures for:
  1. AASHTO T 255, Total Evaporable Moisture Content of Aggregate by Drying; and
    AASHTO T 265, Laboratory Determination of Moisture Content of Soils
     (Acrobat, 106 KB)
  2. AASHTO T 99, Moisture-Density Relations of Soils: Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in.) Drop; and
    AASHTO T 180, Moisture-Density Relations of Soils: Using a 4.54-kg (10-lb) Rammer and 457-mm (18-in.) Drop
     (Acrobat, 168 KB)
  3. AASHTO R 75, Developing a Family of Curves  (Acrobat, 426 KB)
  4. AASHTO T 85, Specific Gravity and Absorbtion of Coarse Aggregate  (Acrobat, 96 KB)
  5. Use of AKDOT&PF ATM 212, ITD T-74, WSDOT TM 606, or WFLHD Humphreys Curves  (Acrobat, 112 KB)
  6. Full Participant Workbook  (Acrobat, 3 MB)
  7. Performance Exam Checklist  (Acrobat, 86 KB)

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