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WHAT WE CAN OFFER

DRILLING & SUBSOIL INVESTIGATIONS

  • SPT Borings with Truck Drill Rig
  • Auger Borings with Truck Drill Rig
  • Exfiltration / Percolation Test with Truck Drill Rig
  • SPT Borings with Tripod Equipment
  • DCP Boring with Hand Equipment
  • Hand Auger Boring
  • Undisturbed Sampling of Soil (Shelby Tube/Split Spoon)
  • Static Cone Prowenetration Tests
  • Muck Probes
  • Double Ring Infiltrometer Tests
  • Monitoring Well Installation
  • Recovery Well Installation
  • Environmental Drilling
  • Rock Coring

GEOTECHNICAL ENGINEERING

Geotechnical analysis and reporting
Foundation Analysis & Recommendations
Shallow Foundations
Deep Foundations
Soil Improvement Techniques
Vibroreplacement
Munsel Color Evaluation
Existing Building Structural Settlement Surveys
Dewatering Analysis and Design
Forensic Investigation
Specification Review
Pavement Analysis and Design
Soil Cement and Lime Stabilization
Geosynthetic Reinforcement Design
Aerial Photograph Interpretation
Geological Studies
Soil and Materials Specifications
Slope Stability Analysis
Steepened Slope Design
Retention Systems Design
Site Development Feasibility Studies

GEOTECHNICAL INSPECTIONS

  • Cast Auger Pile Installation Monitoring
  • Helical Pile Installation Monitoring
  • Pin Pile Installation Monitoring
  • Driven Pile Installation Monitoring
  • Micro Pile Installation Monitoring
  • Pile Load Test
  • Grout Injection Monitoring
  • Foundation Stabilization Monitoring
  • Drilled Shaft Inspection
  • Demucking Inspection
  • Vibroflotation Inspection
  • Vibratory Compaction
  • Seismic Vibration Monitoring
  • Deep Dynamic Compaction Monitoring
  • Preliminary Site Reconnaissance
  • Groundwater Monitoring
  • Test Pit Excavations and Logging

Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering is important in civil engineering, but is also used by military, mining, petroleum, or any other engineering concerned with construction on or in the ground. Geotechnical engineering uses principles of soil mechanics and rock mechanics to investigate subsurface conditions and materials; determine the relevant physical/mechanical and chemical properties of these materials; evaluate stability of natural slopes and man-made soil deposits; assess risks posed by site conditions; design earthworks and structure foundations; and monitor site conditions, earthwork and foundation construction.

A typical geotechnical engineering project begins with a review of project needs to define the required material properties. Then follows a site investigation of soil, rock, fault distribution and bedrock properties on and below an area of interest to determine their engineering properties including how they will interact with, on or in a proposed construction. Site investigations are needed to gain an understanding of the area in or on which the engineering will take place. Investigations can include the assessment of the risk to humans, property and the environment from natural hazards such as earthquakes, landslides, sinkholes, and soil liquefaction.

Ground Improvement refers to a technique that improves the engineering properties of the soil mass treated. Usually, the properties that are modified are shear strength, stiffness and permeability. Ground improvement has developed into a sophisticated tool to support foundations for a wide variety of structures. Properly applied, i.e. after giving due consideration to the nature of the ground being improved and the type and sensitivity of the structures being built, ground improvement often reduces direct costs and saves time.