Point Load Index Tester

Model: EIT-068

The Point Load Index Tester is used for determining the diametral point load strength index of rock cores and irregular lumps, which can be tested without any treatment. The point load test is primarily an index test for the strength classification of rock materials. This instrument is mainly intended for field measurements on rock specimens, but it can also be used in the laboratory. The results of the test may also be used to predict the uniaxial compressive strength of rock from correlations. The apparatus is light and portable.

Features and Benefits

• Applicable standards: EN DD ENV 1997-2, ASTM D-5731
• Rock core specimens can be tested without any preparation.
• The instrument can be used in the laboratory as well as at the drilling site.
• Results may also be used to predict the uniaxial compressive strength of rock.
• A wide range of core sizes can be tested.
• The selected (any one unit via SI, Metric, or Imperial fixed) engineering unit will be displayed on the front panel via the LED.
• Peak load displayed on sample failure
• Four key buttons: programme, start and stop, set break point, and zero
• Battery or mains operation
• Failure detection is definable

Point load (PL) is a test that aims at characterizing rock materials in terms of strength. It is an index test, meaning that it can be performed relatively quickly and without the necessity of sophisticated equipment to provide important data on the mechanical properties of rocks. Index tests have been widely used in soil mechanics (ex., particle size distribution, relative density, Atterberg limits, water content) but were recently introduced in rock mechanics.