Astm

ASTM D2487 - 11 Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)

ASTM D2488 - 09a Standard Practice for Description and Identification ofSoils (Visual-Manual Procedure)

ASTM D422 - 63(2007) Standard Test Method for Particle-Size Analysis of Soils

ASTM D4318 - 10 Standard Test Methods for Liquid Limit, Plastic Limit, andPlasticity Index of Soils

ASTM D 2216 – 98 Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass1

ASTM D2974 - 07a Standard Test Methods for Moisture,Ash, and Organic Matter of Peat and Other Organic Soils

ASTM D4220 - 95(2007) Standard Practices for Preserving and Transporting Soil Samples

ASTM D4643 - 08 Standard Test Method for Determinationof Water (Moisture) Content of Soil by Microwave Oven Heating

ASTM D5080 - 08 Standard Test Method for Rapid Determination of Percent Compaction

ASTM D698 - 07e1 Standard Test Methods forLaboratory Compaction Characteristics of Soil Using Standard Effort (12 400 ft-lbf/ft3 (600 kN-m/m3)
ASTM D5911 / D5911M - 96(2010)e1 Standard Practice for Minimum Set of Data Elements to Identify a SoilSampling Site

ASTM D1883 - 07e2 Standard Test Method for CBR (California Bearing Ratio) of Laboratory-Compacted Soils

ASTM D1557 - 09 Standard Test Methods for Laboratory CompactionCharacteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3 (2,700 kN-m/m3))

ASTM D4914 - 08 Standard Test Methods for Density and Unit Weight of Soil and Rock in Place by the Sand Replacement Method in aTest Pit

Comparison of the Air Contents of Freshly Mixed and Hardened Concretes
Ozyildirim, C 
Research scientist, Virginia Transportation Research Council, University Station, VA 
AbstractThis study compares the air contents of freshly mixed and hardened concretes. At the fresh stage, pressure meters (Types A and B) and a volumetric meter were used to determine the air content. At...