The procedures in this series cover the methods for testing and evaluating soils, aggregates, and flexible base materials.

Test Procedure Title Archive Form
Tex-100-E Sampling Soils and Flexible Base X
Tex-101-E Preparing Soil and Flexible Base Materials for Testing X
Tex-102-E Determining Slaking Time X
Tex-103-E Moisture Content of Soils and Base Materials X
Tex-104-E Determining Liquid Limits of Soils X
Tex-105-E Determining Plastic Limit of Soils
Tex-106-E Calculating the Plasticity Index of Soils
Tex-107-E Determining the Bar Linear Shrinkage of Soils
Tex-108-E Determining the Specific Gravity of Soils
Tex-110-E Particle Size Analysis of Soils X
Tex-111-E Determining the Amount of Material in Soils Finer than the 75 um (No. 200) Sieve
Tex-112-E Admixing Lime to Reduce Plasticity Index of Soils
Tex-113-E Laboratory Compaction Characteristics and Moisture-Density Relationship of Base Materials X X
Tex-114-E Laboratory Compaction Characteristics and Moisture-Density Relationship of Subgrade, Embankment Soils, and Backfill Material X X
Tex-115-E Measuring In-Place Density and Moisture Content of Soils and Base Materials X X
Tex-116-E Ball Mill Method for Determining the Disintegration of Flexible Base Material X
Tex-117-E Triaxial Compression for Disturbed Soils and Base Materials X X
Tex-118-E Triaxial Compression Test for Undisturbed Soils
Tex-120-E Cement Treated Materials X X
Tex-121-E Lime Treated Materials X X
Tex-122-E Emulsified Asphalt Treatment Mixture Design
Tex-123-E Determining the Drainage Factor of Soil Materials X
Tex-124-E Potential Vertical Rise of Natural Subgrade Soils X X
Tex-125-E Determining Modulus of Subgrade Reaction (K Value)
Tex-126-E Molding, Testing, and Evaluating Bituminous Black Base Materials X
Tex-127-E Lime Fly-Ash Compressive Strength Test Methods
Tex-128-E Determining Soil pH
Tex-129-E Resistivity of Soil Materials X X
Tex-130-E Slurry Testing X
Tex-131-E Consolidated Undrained Triaxial Compression Test for Undisturbed Soils
Tex-132-E Texas Cone Penetration X
Tex-133-E Three Dimensional (3-D) Swell of Soils X X
Tex-134-E Foamed Asphalt Mixture Design
Tex-135-E Freezing and Thawing Tests of Compacted Soil-Cement Mixture
Tex-136-E Geosynthetic Composite Stiffness Value X
Tex-140-E Measuring Thickness of Pavement Layer
Tex-141-E Manual Procedure for Description and Identification of Soils
Tex-142-E Laboratory Classification of Soils for Engineering Purposes
Tex-144-E Tube Suction Test X X
Tex-145-E Determining Sulfate Content in Soils - Colorimetric Method
Tex-146-E Conductivity Test for Field Detection of Sulfates in Soil
Tex-148-E Soil Organic Content Using UV-Vis Method X
Tex-198-E Minimum Standards for Testing Soils and Flexible Base Materials X X

Contact the Soils and Aggregates Section (512) 506-5907 for more information pertaining to the procedures in this series.