 
          
            
              54
            
          
        
        
          
            Geotechnical News •March 2015
          
        
        
        
          
            GEO-INTEREST
          
        
        
          Of course, sharing of geotechnical
        
        
          data digitally is nothing new. Geo-
        
        
          technical data management systems
        
        
          such as Keynetix’s HoleBASE SI, for
        
        
          example, manages all of a project’s
        
        
          geotechnical factual and interpreted
        
        
          data. The extension for AutoCAD
        
        
          Civil 3D also allows visualisation of
        
        
          information, such as geological sur-
        
        
          faces, for use in both BIM models and
        
        
          the AutoCAD environment.
        
        
          However the sharing of interpreted
        
        
          data appears to be a big sticking point
        
        
          for incorporating geotechnical infor-
        
        
          mation in BIM. While data is com-
        
        
          monly shared between geotechnical
        
        
          companies, it is rarely shared with the
        
        
          rest of the team.
        
        
          It appears many geotechnical teams
        
        
          are reluctant to supply digital data
        
        
          as they cannot separate factual from
        
        
          interpreted information. This means
        
        
          they are concerned by the possibility
        
        
          of interpretative data being misused.
        
        
          In fact, better data sharing should
        
        
          actually lead to a more complete
        
        
          understanding of the project – result-
        
        
          ing in informed decision-making – and
        
        
          improved collaboration should reduce
        
        
          the risk of interpreted data being
        
        
          misused.
        
        
          Having a clear image of the proposed
        
        
          design and access to full project infor-
        
        
          mation will also enable optimisatiion
        
        
          of the site investigation.
        
        
          Furthermore, having access to field
        
        
          data in real time and incorporating it
        
        
          into BIM almost immediately gives
        
        
          the opportunity to refocus sampling
        
        
          and testing mid-investigation. This
        
        
          should deliver more useful data,
        
        
          reducing risk and saving money in the
        
        
          long term.
        
        
          One of BIM’s biggest benefits, as far
        
        
          as geotechnical teams are concerned,
        
        
          is the opportunity to share the vision
        
        
          and concerns for the ground condi-
        
        
          tions.
        
        
          More significantly, recognition by
        
        
          other project team members of the
        
        
          critical importance of high quality
        
        
          geotechnical information in creating
        
        
          an accurate BIM model will rein-
        
        
          force the messages that thorough site
        
        
          investigation can reduce risk and the
        
        
          geotechnics is an integral part of the
        
        
          entire project.
        
        
          
            HoleBASE SI Extension for
          
        
        
          
            AutoCAD® Civil 3D
          
        
        
          The HoleBASE SI Extension for
        
        
          AutoCAD® Civil 3D allows quick
        
        
          and easy inclusion of geotechnical and
        
        
          site investigation data in BIM models
        
        
          and CAD drawings. It provides:
        
        
          • Geotechnical models for BIM
        
        
          • Dynamic Integration of geotechni-
        
        
          cal data in the AutoCAD Civil 3D
        
        
          environment
        
        
          • Visualisation of geotechnical bor-
        
        
          ing data, allowing creation of 3D
        
        
          borehole layouts and sub-surfaces
        
        
          • Dynamic geotechnical profiles and
        
        
          sections in seconds
        
        
          • Civil point groups and surfaces
        
        
          from any data stored in HoleBASE
        
        
          SI
        
        
          • The facility to use standard Au-
        
        
          todesk Civil 3D commands.
        
        
          
            
              Gary Morin
            
          
        
        
          
            Technical Director
          
        
        
          
            Keynetix, Systems House, Burnt
          
        
        
          
            Meadow Road, Redditch, B98 9PA,
          
        
        
          
            UK, email: 
          
        
        
        
          
            BIM allows access to data in real time, giving the opportunity to refocus
          
        
        
          
            sampling and testing mid-investigation.
          
        
        
          
            Incorporating geotechnical data in BIM gives the ability to create sections in
          
        
        
          
            seconds.