Subsurface Investigation

From subsurface investigation to laboratory testing and engineering design – CATLIN can provide comprehensive geotechnical services including:

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Full service drilling capabilities including but not limited to:

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• Direct Push Technology

• Auger

• Mud Rotary

• Air Rotary

• Rock Coring

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In-situ soil testing via:

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• Standard Penetration Testing (SPT)

• Cone Penetrometer Testing (CPT)

• Flat Dilatometer Testing (DMT)

• Dynamic Cone Penetrometer (DCP)

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Drilling & Field Services

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CATLIN’s In-House Equipment includes:

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• Rotary Drills (skid, trailer, rubber-tire ATV, and track mount)

• Direct Push Technology (truck and track mount)

• Cone Penetration Testing (track mount)

• Vibracore Sampling System

• Water borne and amphibious capabilities additionally available

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In-situ soil testing via:

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• Standard Penetration Testing (SPT)

• Cone Penetrometer Testing (CPT)

• Flat Dilatometer Testing (DMT)

• Dynamic Cone Penetrometer (DCP)

 

Field Geologists to oversee drilling activities

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Geotechnical Engineering

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CATLIN’s Geotechnical Engineering Services for the investigation, analysis, design, and review of shallow and deep foundations, piles, drilled shafts, retaining structures, roadways, bridges, buildings, site development, and other similar or more complex analyses include:

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• Shallow Foundation Analyses (Bearing Capacity, Settlement)

• Deep Foundation Analyses (Lateral, Axial and Uplift Capacities for Driven Piles and Drilled Shafts)

• LRFD Design Methods

• Wave Equation (GRLWEAP) Analyses for Driven Piles

• Slope Stability & Retaining Structure Design

• Pavement Analysis & Design

• Earthwork and Foundation Construction Recommendations

• Site Development Feasibility Studies

• Geologic Reconnaissance

• Ground Improvement Recommendations

• Groundwater and Drainage Control

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Soil Laboratory

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CATLIN’s In-House Geotechnical Laboratory supports our engineering services for the evaluation of soil integrity. Our laboratory is located in Wilmington, NC and is certified by the North Carolina Department of Transportation (NCDOT).

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We use ASTM and AASHTO methods to complete the following tests: