R&M’s Anchorage office complex includes a full-service materials testing laboratory. R&M’s materials laboratory is American Association of State Highway and Transportation Officials (AASHTO) accredited and U.S. Army Corps of Engineers (USACE) validated for construction materials testing of soils, aggregates, Portland cement concrete, and bituminous asphalt.
The professional technicians that staff R&M’s laboratory are certified by one or more of the following certifying agencies: Western Alliance for Quality Transportation Construction (WAQTC), American Concrete Institute (ACI), and/or National Institute for Certification in Engineering Technologies (NICET). R&M’s technicians take pride in providing the highest level of materials testing services, and are committed to becoming Alaska’s premier consultant laboratory.
R&M’s materials testing laboratory achieved initial AASHTO accreditation on June 1, 2000, and is accredited in the following categories:
Hot Mix Asphalt
AASHTO |
ASTM |
Test Name |
T30 |
D5444 |
Mechanical Analysis of Extracted Aggregate |
T164 |
D2172 |
Quantitative Extraction |
T166 |
D2726 |
Bulk Specific Gravity of Compacted Hot Mix Asphalt |
T209 |
D2041 |
Maximum Specific Gravity of Hot Mix Asphalt Paving Mixtures |
T245 |
|
Marshall Method |
T269 |
D3203 |
Percent Voids in Bituminous Paving Mixtures |
T275 |
|
Bulk Specific Gravity Using Coated Specimens |
T287 |
D4125 |
Asphalt Content of Bituminous Mixtures by the Nuclear Method |
T308 |
D6307 |
Asphalt Content of Hot Mix Asphalt by the Ignition Method |
|
D3666 |
Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials |
|
D6926 |
Standard Practice for Preparation of Bituminous Specimens Using Marshall Apparatus |
|
D6927 |
Marshall Stability and Flow of Bituminous Mixtures |
Aggregate
AASHTO |
ASTM |
Test Name |
T11 |
C117 |
Material Finer than No. 200 Sieve |
T19 |
C29 |
Bulk Density and Voids in Aggregate |
T21 |
C40 |
Organic Impurities in Sands |
T27 |
C136 |
Sieve Analysis of Aggregates |
T37 |
D546 |
Sieve Analysis of Mineral Filler |
T84 |
C128 |
Specific Gravity and Absorption of Fine Aggregate |
T85 |
C127 |
Specific Gravity and Absorption of Coarse Aggregate |
T96 |
C131 |
Abrasion of Coarse Aggregate |
T104 |
C88 |
Soundness of Aggregates by Use of Sulfate |
T176 |
D2419 |
Sand Equivalent Test |
T248 |
C702 |
Reducing Samples to Test Size |
T255 |
C566 |
Total Moisture Content of Aggregate by Drying |
T304 |
C1252 |
Uncompacted Void Content of Fine Aggregate |
|
C1077 |
Laboratories Testing Concrete and Concrete Aggregates |
|
D3666 |
Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials |
|
D4791 |
Flat or Elongated Pieces in Coarse Aggregate |
|
D5821 |
Fractured Particles in Coarse Aggregate |
Soil
AASHTO |
ASTM |
Test Name |
T87 |
D421 |
Dry Preparation of Samples |
T88 |
D422 |
Particle Size Analysis of Soils |
T89 |
D4318 |
Liquid Limit of Soils |
T90 |
D4318 |
Plastic Limit and Plasticity Index |
T99 |
D698 |
Moisture-Density of Soils (Standard Effort) |
T100 |
D854 |
Specific Gravity of Soils |
T146 |
D2217 |
Wet Preparation of Samples |
T176 |
D2419 |
Sand Equivalent Test |
T180 |
D1557 |
Moisture-Density of Soils (Modified Effort) |
T208 |
D2166 |
Unconfined Compressive Strength |
T216 |
D2435 |
One-Dimensional Consolidation |
T265 |
D2216 |
Moisture Content of Soils |
T296 |
|
Unconsolidated, Undrained Triaxial Compression |
T310 |
D2922
D3017
|
Density and Moisture of Soil by Nuclear Methods |
|
D1140 |
Amount of Material Finer than a No. 200 Sieve |
|
D2487 |
Classification of Soils (Unified System) |
|
D2850 |
Consolidated-Undrained Triaxial Compression |
|
D3740 |
Minimum Requirements for Agencies Testing and Inspecting Soil and Rock |
Portland Cement Concrete
AASHTO |
ASTM |
Test Name |
|
C31 (cylinders) |
Making and Curing Concrete Test Specimens in the Field |
|
C39 |
Compressive Strength of Cylindrical Concrete Specimens |
|
C138 |
Unit Weight of Concrete |
|
C143 |
Slump of Hydraulic Cement Concrete |
|
C172 |
Sampling Fresh Concrete |
|
C231 |
Air Content – Pressure Method |
|
C1064 |
Temperature of Fresh Concrete |
|
C1077 |
Laboratories Testing Concrete and Concrete Aggregates |
|
C1231 |
Unbonded Capping (Pad Caps) |
Other Tests
In addition to the tests covered under our AASHTO accreditation, R&M’s materials testing laboratory performs a variety of other construction materials tests, including customized tests for commercial clients. R&M has a full range of testing equipment that can be configured to the unique needs of our clients. The list of available tests included below is updated annually and may not be all inclusive. Please contact R&M’s laboratory for a current list of available tests.
ATM Test Number |
Test Name |
312 |
Nordic Abrasion (Aggregate) |
414 |
Anti-Strip (Hot Mix Asphalt) |
417 |
Marshall Mix Design (Hot Mix Asphalt) |
212 |
Vibratory Proctor (Soils and Aggregate) |
313 |
Degradation (Aggregate) |
|
Concrete Coring |
|
Density Testing (Asphalt, Aggregate, Soil) |
|
Asphalt Coring |
|
Sample Pick-Up |
|
WAQTC Field Sampling |
|
Plant and Truck Inspections (Hot Mix Asphalt, Concrete) |
