PIL-10 – Point Load Tester

Category: Geotechnical & Civil Engineering Instrumentats

COMPLIANT TO ASTM D5731-16

INCREASED LOAD CAPACITY AND PRODUCTIVITY

DURABLE AND STABLE

PROTECTIVE ENCLOSURE

The PIL-10 is a portable point load tester 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.

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Description

The 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 make it easy to disassemble the pump from the main frame for ease of transportation. A removable protective cover work jointly with a fix 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