Our Services
Construction Materials Laboratory
Our Services
Construction Materials Laboratory
Our services include:
Concrete & Masonry Testing
NTI’s in-house laboratory has been inspected and approved by the Oregon Building Officials Association (OBOA), the City of Portland Bureau of Development Services (COP-BDS), the American Association for Laboratory Accreditation (A2LA Lab Certificate #3087.01 Scope of Accreditation), the Washington Association of Building Officials (WABO), the Oregon Department of Transportation (ODOT), and the U.S. Army Corps of Engineers (USACE).
Concrete & Masonry Testing
- Concrete or Grout Mix Design
- Compression Test, 4” x 8” or 6” x 12” Cylinder ASTM C39; AASHTO T22
- Compression Test, Core ASTM C42; AASHTO T24
- Compression Test, Grout Prism ASTM C1019; UBC 21-18
- Compression Test, Mortar Cube or 2” x 4” Cylinder ASTM C109/C780;
- UBC 21-15 or 21-16; AASHTO T106
- Compressive Strength of Masonry Block ASTM C90; UBC 21-4
- Compressive Strength of Masonry Prism – Grouted or Ungrouted
- ASTMC1314; UBC 21-17
- Density, Absorption, and Voids in Hardened Concrete
- ASTM C642
- Flexural Test, 6” x 6” x 22” ASTM C78; AASHTO T97
- Moisture Content, Unit Weight, Percent Net Area & Absorption
- of Masonry Block ASTM C140
- Split Tensile Testing of Concrete ASTM C496
- Potential Alkali Reactivity of Aggregates (Mortar-Bar Method)
- ASTM C1260/C1567
Concrete & Masonry Testing
NTI’s in-house laboratory has been inspected and approved by the Oregon Building Officials Association (OBOA), the City of Portland Bureau of Development Services (COP-BDS), the American Association for Laboratory Accreditation (A2LA Lab Certificate #3087.01 Scope of Accreditation), the Washington Association of Building Officials (WABO), the Oregon Department of Transportation (ODOT), and the U.S. Army Corps of Engineers (USACE).
Concrete & Masonry Testing
- Concrete or Grout Mix Design
- Compression Test, 4” x 8” or 6” x 12” Cylinder ASTM C39; AASHTO T22
- Compression Test, Core ASTM C42; AASHTO T24
- Compression Test, Grout Prism ASTM C1019; UBC 21-18
- Compression Test, Mortar Cube or 2” x 4” Cylinder ASTM C109/C780;
- UBC 21-15 or 21-16; AASHTO T106
- Compressive Strength of Masonry Block ASTM C90; UBC 21-4
- Compressive Strength of Masonry Prism – Grouted or Ungrouted
- ASTMC1314; UBC 21-17
- Density, Absorption, and Voids in Hardened Concrete
- ASTM C642
- Flexural Test, 6” x 6” x 22” ASTM C78; AASHTO T97
- Moisture Content, Unit Weight, Percent Net Area & Absorption
- of Masonry Block ASTM C140
- Split Tensile Testing of Concrete ASTM C496
- Potential Alkali Reactivity of Aggregates (Mortar-Bar Method)
- ASTM C1260/C1567
