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PIL-10 Point Load Tester

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The PIL-10 point load tester is used for determining the point load strength index for rock strength classification. Keeping all the qualities of our former PIL-7 tester, the PIL-10 offers increased strength, productivity, reliability, and ease of use. Its durable stainless steel construction can handle hard cores up to PQ size.

Description

The portable PIL-10 point load tester consists of a loading frame, a hydraulic cylinder, a pump, and a pressure gauge for maximum load reading. An upper conical platen is fixed on the frame and a lower one on the cylinder piston. A graduated scale is fixed on the frame and indicates the specimen diameter.

A quick disconnect coupling makes it easy to disassemble the pump from the main frame for ease of transportation. A removable protective cover works jointly with a fixed tray to create an enclosure that keeps the rock fragments and debris contained for a safe and clean work environment.

Test Procedure

Three-point load test configurations are used depending on the available rock specimens:

Diametrical – Axial – Irregular lump

The diametrical and axial tests use core specimens with length/diameter (L/D) ratios greater than 1.0 in the first case, and between 0.3 and 1.0 in the second case. Rock pieces of suitable irregular shapes are used when cores are not available.

The testing steps are the same for all configurations:

1) The specimen is positioned between the conical platens. The platens are then closed to make contact.

2) The distance “De” between the points of contact is read on the scale.

3) The load is increased such that failure occurs within 10 to 60 sec. and the failure load “P” is read and recorded.

 

 

Specifications
Maximum specimen size102 mm
Maximum load100 kN
Scale minor division1 mm and 1/32’’
Pressure gauge  
 Range100 000 kPa
Accuracy±0.25% F.S.
Available unitskN*, bar, MPa, psi
Load measurement accuracy1 kN
Main frame assembly  
Height48 cm
Length27 cm
Depth20 cm
Weight18.3 kg
Main frame assembly  
Height20 cm
Length49 cm
Depth13 cm
Weight4.5 kg

* Based on conversion factor determined at calibration

 

Ordering Info
  • The unit comes in a custom-made road case

Optional Accessories

  • Set of spare conical platens
  • Spare pressure gauge
  • Set of spare protective shields
  • Set of optional spherical seats
  • Set of optional flat platens
  • Optional low-pressure gauge (35 000 kPa)
  • Calibration Kit
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