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Rock mechanics

Hoek Cells and Sample Extruder

ASTM D5407 | ASTM D7012

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Main Features

  • Various Hoek cells dimensions are available: AX, 1.5", BX, NX and HQ types
  • Designed for high pressure capability
  • All models are fitted with two quick-release self-sealing coupling
  • One rubber sleeve is already included with the Hoek cell
  • Collar support that assures the vertical position of the cell even when not subjected to load inclued.
  • tecnical specifications
    • Scroll the table
      Code D.C.D.M.A.
      Reference      		 Specimen size
      d x h [mm]      		 Total height
      [mm]      		 Weight
      [kg]
      32-D0553/HC AX 30.10x60 213 2.50
      32-D0554/HC 1.5 in. 38.10x75 264 4
      32-D0555/HC BX 42.04x85 263 6.50
      32-D0556/HC NX 54.74x100 304 13
      32-D0557/HC HQ 63.50x127 310 15

  • ordering info
    • 32-D0553/HC
      Hoek triaxial cell AX (30.2 mm dia. sample), one rubber sealing sleeve included.

      32-D0554/HC
      Hoek triaxial cell 1.5in (38.1 mm dia. sample), one rubber sealing sleeve included.

      32-D0555/HC
      Hoek triaxial cell BX (42.04 mm dia. sample), one rubber sealing sleeve included.

      32-D0556/HC
      Hoek triaxial cell NX (54.74 mm dia. sample), one rubber sealing sleeve included.

      32-D0557/HC
      Hoek triaxial cell HQ (63.5mm dia. sample), one rubber sealing sleeve included.

  • accessories
    • Accessories for compression test

      32-D0556/A 
      Pair of load spreader for uniform load distribution

      32-D0556/B 
      Distance pad to reduce the vertical clearance of the compression machine

       
      Rock sample extruder

      32-D0577/B
      Specimen extruder for Hoek cells series 32-D055x, requires adaptors series 32-D0577/x.
                   
      Used to extrude the rock sample from its jacket thus avoiding to empty the confining fluid. It consists of a steel frame with a rack and pinion mechanism. Supplied without adapters. See the following table.

      Extruder adapters set, comprising two support cell body and shaft head.

      Adapter set code For specimen size For use with cell Weight approx. [kg]
      32-D0577/1 AX 32-D0553/HC 1.7
      32-D0577/2 1.5 in. 32-D0554/HC 1.7
      32-D0577/3 BX 32-D0555/HC 1.5
      32-D0577/4 NX 32-D0556/HC 1.5
      32-D0577/5 HQ 32-D0557/HC 1.5
       
      Spare rubber sleeves

      32-D0553/1 
      Spare rubber sleeve, AX, for specimen dia. 30.10x60 mm

      32-D0554/1 
      Spare rubber sleeve, 1.5 in. for specimen dia. 38.10x75 mm

      32-D0555/1 
      Spare rubber sleeve, BX, for specimen dia. 42.04x85 mm

      32-D0556/1 
      Spare rubber sleeve, NX, for specimen dia. 54.74x100 mm

      32-D0557/1  
      Spare rubber sleeve, HQ, for specimen dia. 63.50x127 mm
       

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