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PT. PANAIRSAN PRATAMA
The strength of rock is an important property which may measured in a number of ways. Point-load strength testing is particulary useful tes method which can be perfomed on specimens requiring little oor no preparation prior to testing. The test can perfomed on site or in the laboratory with variations such as the diametral test, the block test and the irregular lump test. Other application include the determination on site of a strength index for concrete and the prediction of cube strength from point load index.