Geotechnical Engineering

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Southern California's Leading Geotechnical Consulting Firm

At NTS Geotechnical, we are well equipped to be your go-to, number-one provider for geotechnical engineering services in Southern California. Our services include but are not limited to field exploration, geotechnical laboratory testing, slope stability analysis, liquefaction analysis, foundation design, infiltration testing, soil testing and inspection services during construction, pavement engineering, and soils and geology reports preparation. Contact us to learn more about our services, and engage NTS Geotechnical as your trusted geotechnical consultant to provide you cost-effective geotechnical engineering services for your upcoming projects.

Geotechnical Exploration

Hollow-stem-auger drilling
Cone Penetration Testing (CPT) Soundings
Test Pits
Hand Auger Drilling
Bucket Auger Drilling
Percolation Testing
Infiltration Testing

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Laboratory Testing

Atterberg Limits
Grain size distribution
Maximum Density and Optimum Moisture Content (ASTM D1557)
Moisture & Density
Direct Shear Testing
Consolidation Testing
Expansion Index
Corrosivity Suite (Sulfate, pH, Resistivity, Chloride)
R-Value Testing
Sand Equivalent
Hydrocollapse Testing

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Engineering Analysis

Liquefaction Analysis
Seismic Settlement Analysis
Static Settlement Analysis
Foundation Recommendations (Shallow spread/continuous footings, mat foundation, pile foundation)
Lateral Resistance Recommendations
Retaining Walls Lateral Static & Seismic Earth Pressures Recommendations
Shoring Recommendations
Grading Recommendations
Slope Stability Analysis
Expansion Potential Evaluation
Corrosion Evaluation
Hydrocollapse Evaluation
Pile Capacity Analysis and Recommendations