Building Strong Foundations from the Ground Up
Understanding subsurface conditions is key to successful infrastructure projects. Allstate’s Geotechnical Team partners with public and private clients, providing investigation, testing, and analysis to aid in design and reduce long-term risk.
Geotechnical Engineering Services
Subsurface Exploration
- On-site drilling and boring operations
- Standard Penetration Testing
- Shelby tube and split spoon sampling
- Rock coring and logging
- Cone Penetration Testing
- Test pit excavation and logging
- Groundwater monitoring well installation
- In-situ testing
Specialty Services
- Forensic Investigation
- Litigation Support
- Instrumentation and Monitoring
- Geoenvironmental Support
Laboratory Testing
- Soil classification
- Moisture content and dry density determination
- Compaction testing (Proctor – standard and modified)
- Unconfined compression and triaxial shear testing
- Consolidation testing
- Direct shear testing
- Permeability and hydraulic conductivity testing
Geotechnical Analysis and Reporting
- Foundation recommendations (shallow and deep)
- Bearing capacity and settlement analysis
- Slope stability analysis and design
- Earth retention system design
- Pavement subgrade evaluation and design recommendations
- Seismic site classification
- Ground improvement feasibility and design
- Subsurface drainage and groundwater control recommendations
- Expansive/shrink-swell soil mitigation strategies
