Overview of Our Services

Comprehensive field and laboratory services are provided for soils and rock. Soil testing includes classification, compaction characteristics, moisture content determination, soil resistivity, infiltration testing, and more. Rock investigation involves core drilling, sampling, and quality designation assessments to ensure accurate geological analysis. These methods support construction, environmental studies, and geotechnical engineering projects by delivering precise and reliable data. 

Soils:

• Dry Preparation for Particle Size Distribution & Soil Constants (D 421 / T 87)

• Specific Gravity of Soils (D 854 / T 100)

• Material Finer than 75 :m (No. 200) Sieve (D 1140 / T 88)

• Compaction Characteristics by Modified Effort (D 1557 / T 180)

• CA Bearing Ratio (CBR) (D 1883 / T 193)

• Water Content (D 2216 / T 265)

• Classification of Soils (D 2487 / T 2487)

• Liquid & Plastic Limits & Plasticity Index (D 4318 / T 89)

• Density and Water Content by Shallow Depth Nuclear Method (D 6938 / T 310)

• Determining the Modulus of Soil Reaction / Plate Load Testing ( CRD C 655)

• Field Measurement of Soil Resistivity Using the Wenner Four-Electrode Method (G 57 / T 288)

• AASHTO Specific Gravity of Soils (D 854 / T 100)

• AASHTO Moisture 5.5 lb Hammer / 12-inch drop (D 698 / T 99)

• AASHTO Moisture 10 lb Hammer / 18-inch drop (D 1557 / T 180)

• Particle Size Analysis of Soils (D 422 / T 88)

Rock:

• Method for Determining Rock Quality Designation (RQD) of Rock Core (D 6032 / T 6032)

• Rock Core Drilling and Sampling of Rock for Site Exploration (D 2113 / T 211)

• • Preserving and Transporting Rock Core Samples (D 5079 / T 5079)

Testing services for concrete, grout, and cement cover a wide range of field and laboratory tests to ensure the strength, durability, and quality of these materials used in construction. Concrete testing includes slump tests, compressive strength evaluations, air content measurements, and unit weight assessments. Grout testing involves flow consistency, compressive strength, and shrinkage evaluations. Cement testing includes compressive strength of cement mortars, fineness, and setting time assessments. Sampling, curing, and testing specimens are conducted both in field and laboratory settings. These rigorous testing methods ensure concrete, grout, and cement materials meet the highest standards of performance and safety. 

Concrete/Cement:

• Making and Curing Test Specimens in the Field (C 31 / T 23)

• Compressive Strength of Cylindrical Specimens (C 39 / T 22)

• Unit Weight and Air Content by Gravimetric (C 138 / T 121)

• Slump (C 143 / T 119)

• Sampling (C 172 / T 141)

• Air Content by Volumetric (C 173 / T 196)

• Air Content by Pressure (C 231 / T 152)

• Temperature of Concrete (C 1064 / T 309)

• Drilled Cores and Sawed Beams (C 42 / T 24)

• Flexural Strength by Third Point Loading (C 78 / T 97)

• Concrete Thickness by Drilled Cores (C 174 / T 148)

• Making and Curing Test Specimens in Laboratory (C 192 / T 126)

• Molds for Forming Concrete Test Cylinders Vertically (C 470 / T 23)

• Moist Cabinets, Moist Rooms, Water Storage Tanks (C 511 / T 23)

• Capping Cylindrical Specimens (C 617 / T 23)

• Unbonded Caps (C 1231 / T 231)

• Compressive Strength of Cement Mortars Using Cubes (C 109 / T 106)

Specialized testing services for asphalt and bituminous materials are crucial for road construction and maintenance. Field and laboratory tests include bulk specific gravity, density measurements, moisture content analysis, and theoretical maximum specific gravity (Rice test). Quantitative extraction and sieve analysis of extracted aggregates ensure the quality and consistency of asphalt mixtures. Asphalt coring and nuclear density testing provide precise data for paving projects. 

Bituminous / Asphalt:

• Sampling Bituminous Paving Mixtures (D 979 / T 168)

• Bulk Specific Gravity & Density Using Coated Samples (D 1188 / T 275)

• Moisture or Volatile Distillates in Bituminous Paving Mixtures (D 1461 / T 329)

• Theoretical Maximum Specific Gravity & Density (Rice) (D 2041 / T 209)

• Quantitative Extraction (D 2172 / T 164)

• Bulk Specific Gravity and Density (D 2726 / T 166)

• Density of Bituminous Concrete in Place by Nuclear Methods (D 2950 / T 310)

• AASHTO R47 Reducing Samples of HMA to Test Size (D 6926 / R 47)

• AASHTO Bulk SG Using SSD (Cores) (D 2726 / T 166)

• AASHTO Theoretical Max SG of Asphalt (D 2041 / T 209)

• AASHTO Bulk SG of Asphalt Using Paraffin (D 1188 / T 275)

• AASHTO Sieve Analysis of Extracted Aggregates (D 5444 / T 30)

• AASHTO Moisture Content of Asphalt by Oven Method (D 1461 / T 329)

• Sampling Compacted Asphalt Mixtures for Laboratory Testing (D 5361 / T 245)

Aggregate testing services ensure the quality and suitability of materials used in construction projects. Tests include sieve analysis, specific gravity and absorption, and moisture content evaluations. Field sampling techniques and laboratory tests identify deleterious materials and organic impurities, ensuring aggregates meet industry standards. These thorough testing methods verify the optimal performance and durability of aggregate materials. 

Aggregate:

• Material Finer than 75 μm (No. 200) Sieve (C 117 / T 11)

• Specific Gravity & Absorption in Coarse Aggregate (C 127 / T 85)

• Specific Gravity & Absorption in Fine Aggregate (C 128 / T 84)

• Sieve Analysis of Aggregates (C 136 / T 27)

• Unit Weight and Voids in Aggregate (C 29 / T 19)

• Organic Impurities (C 40 / T 21)

• Lightweight Particles (C 123 / T 113)

• Total Moisture Content (C 566 / T 255)

• Reducing Samples to Testing Size (C 702 / T 248)

• Sampling (D 75 / T 2)

• AASHTO No. 200 Wash Sieve for Mineral Aggregates (C 117 / T 11)

• AASHTO Sieve Analysis of Aggregates (C 136 / T 27)

• AASHTO Specific Gravity and Absorption of Fine Agg (C 128 / T 84)

• AASHTO Specific Gravity and Absorption of Course Agg (C 127 / T 85)

• Total Evaporable Moisture Content of Aggregate by Drying (C 566 / T 255)