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)

Stress strain rock chart