MATERIALS TESTING
Columbia West’s nationally accredited in-house construction materials and soil mechanics laboratory provides analytical testing and analyses of soil, aggregate, asphalt, concrete, grout, and other construction materials. Columbia West is also a licensed provider of nuclear gauge field compaction testing services in Oregon and Washington. Columbia West is accredited to ISO/IEC 17025 by the American Association for Laboratory Accreditation (A2LA) for the following tests: (Certification Number 2922.01)
- ASTM C1077 (Standard Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation)
- ASTM C1093 (Standard Practice for Accreditation of Testing Agencies for Masonry)
- ASTM D3740 (Standard Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction)
- ASTM E329 (Standard Specification for Agencies Engaged in Construction Inspection, Testing, or Special Inspection)
- ASTM E543 (Agencies Performing Nondestructive Testing)
- AASHTO R18 (Practice for Establishing and Implementing a Quality Management System for Construction Materials Testing Laboratories)
Columbia West’s materials testing service profile is summarized below.
Columbia West provides compaction testing of soil, aggregate, and asphalt using nuclear moisture-density gauges in accordance with ASTM D2922, D3017, and D2950. Columbia West maintains a Radioactive Materials License in accordance with the U.S. Nuclear Energy and Radiation Control Act and is a licensed provider of nuclear gauge field compaction testing services in Washington and Oregon. Columbia West staff personnel are trained and certified for operation and transportation of nuclear moisture-density gauges in accordance with 49 CFR 172, Subpart H.
- Dry Preparation for Particle-Size Analysis (AASHTO T87 / ASTM D421)
- Particle-Size Analysis of Soils (AASHTO T88 / ASTM D422)
- Liquid Limit (AASHTO T89 / ASTM D4318)
- Plastic Limit (AASHTO T90 / ASTM D4318)
- Standard Proctor Test (AASHTO T99 / ASTM D698)
- Specific Gravity of Soil (AASHTO T100 / ASTM D854)
- Moisture-Density Relationship of Soil-Cement Mixtures (AASHTO T134 / ASTM D558)
- Wet Preparation for Particle-Size Analysis (AASHTO T146 / ASTM D2217)
- Sand Equivalent Analysis (AASHTO T176)
- Modified Proctor Test (AASHTO T180 / ASTM D1557)
- Material Finer than No. 200 Sieve (AASHTO T188 / ASTM D1140)
- California Bearing Ratio (AASHTO T193 / ASTM D1883)
- Unconfined Compressive Strength (ASTM D2166)
- One-Dimensional Consolidation (ASTM D2435)
- Direct Shear Test of Soils (ASTM D3080)
- Moisture Content of Soil and Rock (AASHTO T265 / ASTM D2216)
- Density by Nuclear Method (AASHTO T310 / ASTM D2922, D3017)
- Grain-Size Analysis of Granular Soils (AASHTO T311)
- No. 200 Wash for Soils (ASTM D1140)
- USCS Soil Classification (ASTM D2487)
- Visual Soil Classification (ASTM D2488)
- Unit Weight and Water Content for Soils Containing Oversize Particles (ASTM D4718)
- Correction for Coarse Particles in the Soil Compaction Test (AASHTO T224)
- Classification of Soils and Soil-Aggregate Mixtures for Highway Construction Purposes (AASHTO M145)
- No. 200 Wash for Aggregates (AASHTO T11 / ASTM C117)
- Unit Weight and Voids in Aggregate (AASHTO T19 / ASTM C29)
- Organic Impurities in Fine Aggregates for Concrete (AASHTO T21 / ASTM C40)
- Sieve Analysis of Fine and Coarse Aggregate (AASHTO T27 / ASTM C136)
- Specific Gravity and Absorption of Fine Aggregate (AASHTO T84 / ASTM C128)
- Specific Gravity and Absorption of Coarse Aggregate (AASHTO T85 / ASTM C127)
- Sand Equivalent Analysis (AASHTO T176)
- Reducing Samples of Aggregate to Testing Size (AASHTO T248 / ASTM C702)
- Moisture Content of Aggregate (AASHTO T255 / ASTM D566)
- Flat and Elongated Particles in Coarse Aggregate (ASTM D4791)
- Percentage of Fractured Faces in Coarse Aggregate (ASTM D5821)
- Sampling of Aggregates (AASHTO T2 / ASTM D75)
- Particle-Size Analysis (AASHTO T30)
- Bulk Specific Gravity of Compacted Specimens (AASHTO T166)
- Theoretical Maximum Specific Gravity of HMA (AASHTO T209)
- Bulk Specific Gravity with Paraffin-Coated Specimens (AASHTO T275)
- Percent Air Voids in Compacted Specimens (AASHTO T269)
- Asphalt Content by Ignition Method (AASHTO T308)
- Reducing Samples of HMA to Testing Size (AASHTO T328)
- Moisture Content of HMA by Oven Method (AASHTO T329)
- Compressive Strength of Concrete Cylinders (AASHTO T22 / ASTM C39)
- Making and Curing Concrete Cylinders in Field (AASHTO T23 / ASTM C31)
- Making and Curing Concrete Cylinders in Lab (ASTM C192)
- Slump of Portland Cement Concrete (AASHTO T119 / ASTM C143)
- Unit Weight, Yield, and Air Content of Concrete (AASHTO T121 / ASTM C138)
- Sampling Freshly Mixed Concrete (AASHTO T141 / ASTM C172)
- Air Content of Concrete by Pressure Method (AASHTO T152 / ASTM C231)
- Temperature of Freshly Mixed Concrete (AASHTO T309 / ASTM C1064)
- Use of Unbonded Caps for Concrete Cylinders (ASTM C1231)
- Capping Cylindrical Concrete Specimens (ASTM C617)
- Density and Void Content of Freshly Mixed Pervious Concrete (ASTM C1688)
