| |
| |
|
| |
|
| |
| Areas of practice |
| • |
A/E professional liabilities |
| • |
Civil engineering investigations |
| • |
Geotechnical engineering investigations |
| • |
Structural engineering investigations |
| • |
Construction accidents, disputes and failures |
| • |
Commercial claims |
| |
|
|
| |
|
Northern Technologies, Inc. provides comprehensive material testing services to monitor quality control on your construction project. These services include laboratory and field testing of soil, concrete, masonry, asphalt, aggregate, and building stone materials.
Our technicians and engineers are certified and experienced in various types of construction materials testing.
Special inspections
• Concrete
• Reinforcing steel
• Masonry/Mortar
• Structural steel/High strength bolting
• Fireproofing
Structural steel
• AWS welding inspections
• Bolt torque
• Nondestructive testing of welds
Soil testing
• Nuclear and sand cone moisture/density
• Moisture/density relation of soil (Proctor)
• Sieve analysis
• Topsoil analysis
• Monitoring of engineered fill placement
• Compaction testing
• Asphalt testing
• Extraction/gradation analysis
• Marshall properties
• Field process control testing
• Thickness and in-place density by core removal
• Mix vertification
Concrete testing
• Monitoring concrete placement
• Documenting plastic concrete properties including slump, air content, temperature and unit weight
• Casting specified test specimens
• Strength tests of hardened concrete specimens |
|
