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 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 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
