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Compression/Splitting test device

ASTM D3967 | ISRM
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General description
General description
We propose two compression device models for indirect tensile test (splitting test) conforming to ASTM D3967 and to ISRM Specifications.
 
Model conforming to ASTM D3967
This apparatus, originally developed for testing in compression cement specimens, can also be used for splitting tensile test on rock disks with dimensions from dia 54 mm to 64 mm.

Models conforming to ISRM specifications
These models consist of two steel loading jaws, guiding pins and half ball bearing. Two models are available according to the specimens size: NX type (dia. 54.74 mm) and HQ type (dia. 63.5 mm).

All models can be used as an accessories with a suitable universal tester as UNIFRAME Compression / flexural machine.
See link to other products below.

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Technical specifications

Model conforming to ASTM D3967
  • Platens diameter: 75 mm
  • Hardness platens: 60 HRC
  • Vertical daylight: 65 mm
  • Total height: 234 mm
  • Weight: 13 kg (approx.)

Models conforming to ISRM specifications
  • Hardness jaws: 45 HRC
  • Spherical seat with a 25- mm half ball bearing
  • Top and bottom jaws with thickness and radius according to the specimens size
  • Total height: 154 mm
  • Weight: 7 kg (approx.)

Ordering info

45-D9032/H  
Compression device for indirect tensile tests on rock specimens conforming to ASTM D3967. Supplied complete with distance piece for specimen dia. 54 mm

45-D9032/NX
Compression device for indirect tensile test on rock specimens NX type (dia. 54.74 mm) consisting of two steel loading jaws, guiding pins and half ball bearing. Conforming to ISRM specifications.
 
45-D9032/HQ
Compression device for indirect tensile test on rock specimens HQ type (dia. 63.5 mm) consisting of two steel loading jaws, guiding pins and half ball bearing. Conforming to ISRM specifications.
 
                                               

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