University of SaskatchewanHARVEST
  • Login
  • Submit Your Work
  • About
    • About HARVEST
    • Guidelines
    • Browse
      • All of HARVEST
      • Communities & Collections
      • By Issue Date
      • Authors
      • Titles
      • Subjects
      • This Collection
      • By Issue Date
      • Authors
      • Titles
      • Subjects
    • My Account
      • Login
      JavaScript is disabled for your browser. Some features of this site may not work without it.
      View Item 
      • HARVEST
      • Electronic Theses and Dissertations
      • Graduate Theses and Dissertations
      • View Item
      • HARVEST
      • Electronic Theses and Dissertations
      • Graduate Theses and Dissertations
      • View Item

      The Effect of Shearing on Fully-grouted Rebar Rock Bolts in Saskatchewan Potash Mines

      Thumbnail
      View/Open
      SNELL-THESIS-2021.pdf (27.02Mb)
      Date
      2021-03-18
      Author
      Snell, Garrett
      Type
      Thesis
      Degree Level
      Masters
      Metadata
      Show full item record
      Abstract
      Reinforcing bar (rebar) is a common method of ground support in underground potash mines in Saskatchewan. The rebar is anchored into the potash rock to provide support using resin and the system is referred to as a fully-grouted rebar rock bolt. The rebar can be subjected to tensile deformation and shear deformation due to the geomechanical properties of potash and the presence of relatively weak interbedded clay seams. Although the tensile deformation of the rebar is well understood, shear deformation is not. This research project focussed on determining the magnitude of shear plane displacement that a rebar rock bolt can withstand before failure. The objectives of this research were achieved using a combination of laboratory testing, field testing, and in situ instrumentation for monitoring field behaviour. Ultimately, a design chart was generated to estimate the shear displacement capacity of rebar rock bolts under varying shear plane apertures. This chart is meant to help mine engineers determine re-bolting requirements to maintain safe drift access for mine personnel.
      Degree
      Master of Science (M.Sc.)
      Department
      Civil and Geological Engineering
      Program
      Civil Engineering
      Supervisor
      Feldman, Lisa; Milne, Doug
      Committee
      Hawkes, Chris; Beneteau, Donna; Capes, Geoff
      Copyright Date
      April 2021
      URI
      http://hdl.handle.net/10388/13290
      Subject
      shear
      rockbolt
      rock
      rock bolt
      potash
      dilation
      dowel
      rebar
      saskatchewan
      saskatoon
      nutrien
      potashcorp
      agrium
      mosaic
      fibre-optic
      fibre optic
      strain
      patience lake
      shearing
      Collections
      • Graduate Theses and Dissertations
      University of Saskatchewan

      University Library

      The University of Saskatchewan's main campus is situated on Treaty 6 Territory and the Homeland of the Métis.

      © University of Saskatchewan
      Contact Us | Disclaimer | Privacy