References

References:

1.ASTM D422 - Standard Test Method for Particle-Size Analysis of Soils

2.ASTM D6913 - Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis

3.ASTM C136 - Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates

4.ASTM D4318 - Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils

5.ASTM D1557 - Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort

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

7.ASTM D3080 - Standard Test Method for Direct Shear Test of Soils Under Consolidated Drained Conditions 

8.ASTM D4767 - Standard Test Method for Consolidated Undrained Triaxial Compression Test for Cohesive Soils

9.ASTM D2850 - Standard Test Method for Unconsolidated-Undrained Triaxial Compression Test on Cohesive Soils