Site Characterization and Investigation

To predict how an excavation or structure will behave, an understanding of the site ground properties is required. Itasca engineers work with clients to determine any data gaps and sufficiency of the existing geotechnical and hydrogeological information for design, and where and how much additional data may be necessary to collect. Itasca engineers can interpret and model earth and engineered-material behavior for any given range of anisotropies, scales, properties, and conditions, which gives Itasca a clear understanding of the client site. Itasca engineers collaborate across offices or work with third parties, using best-practices, to perform or facilitate a wide range of laboratory and in-situ geomechanical, hydrogeological, and microseismic testing. Site characterization is performed in compliance with the relevant ISRM (International Society for Rock Mechanics) suggested methods and/or ASTM Standards.

Site characterization for soils may include:

  • review existing geotechnical logs and reports from consultants,
  • assessment of soil stratigraphy,
  • identification of soil types,
  • review of CPTu properties,
  • estimation of water table and consolidation parameters,
  • liquefaction potential, and
  • estimation of parameters for empirical assessment and calibrated numerical modeling for engineering design.

Site characterization for the rock mass may include:

  • review existing geotechnical logs and reports from consultants,
  • lineament analysis,
  • precise structural mapping,
  • drill core logging, core photos, and televiewer analysis,
  • point load testing,
  • photogrammetry and stereophotos,
  • hydrogeological studies,
  • intact strength distributions based on available laboratory tests,
  • in-situ stress measurements, and
  • seismic studies.
Latest News
  • Itasca Celebrates 40 Years Itasca is celebrating 40 years of solving geomechanical and hydrogeological challenges through engineering and computer...
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  • Stability and Stress-Deformation Analyses of Reinforced Slope Failure at Yeager Airport This paper describes the material properties along with the inverse limit-equilibrium and permanent deformation analyses...
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  • Computers and Geotechnics: Scott Sloan Best Paper Award for 2019 Itasca is pleased to congratulate Dr. Branko Damjanac and Dr. Peter A, Cundall for their...
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Upcoming Events
8 Mar
FLAC3D 2021 Online, Live Introductory Training: COURSE IS FULL
Three days of general feature training addressing basic concepts and recommended procedures for geotechnical numerical analysis.... Read More
22 Mar
3DEC and UDEC 2021 Online, Live Introductory Training
An introduction to UDEC and 3DEC for application to geotechnical analysis.... Read More
12 Apr
PFC 2021 Online, Live Introductory Training
This four-day course provides guidance in the use of the PFC2D and PFC3D to simulate the mechanical behavior of granular and solid mate... Read More