Fracture Mechanics

Order Code: 22236153.2

Category: General Lab Equipment II

Specification The Tester Is For Measuring Fracture Toughness Of Rock Material, Fracture Toughness Is Mainly Based On The Angle Of The Crack Propagation Resistance Classifying And On The Intact Rock, Other Purposes Is Checking The Index Of Rock ...



SPECIFICATION

Specification

  • The Tester Is For Measuring Fracture Toughness Of Rock Material, Fracture Toughness Is Mainly Based On The Angle Of The Crack Propagation Resistance Classifying And On The Intact Rock, Other Purposes Is Checking The Index Of Rock Breaking Process (Shield Tunneling Under Crushed) And Hydraulic Fracturing Blasting Crack And Stability Analysis

Technical Parameters 

  • Using Rock Straight Incision Three-Point Bending Measurement, Apply To Hard Rock
  • Sample Size: 48 Mm - 54 Mm Length Is 3-4 Greater Than The Diameter Ratio
  • Two Bearing Point Distance And Diameter Ratio Is 3.33 Cm ±0.02 Cm
  • Straight Incision Depth And Diameter Ratio Is 0.35-0.50 Notch Width Is Not More Than 1.5 Mm
  • Rate: 1 Mm - 10 Mm (3N/S)
  • Maximum Load: 200 Kn ±5 N
  • Maximum Deformation: 0 To 10 Mm ± 0.01 Mm
  • Rock Straight Incision Expansion Deformation 0 To 10 Mm ± 0.01 Mm
  • Rock Straight Incision Expansion Deformation 0 To 10 Mm ± 0.01 M

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