Intact rock PLT testing

Tlačna čvrstoća intaktne stijene je jedan od parametara koji je od najvećeg interesa za geotehničku struku. Ispitivanja u laboratoriju su ispitivanja koja daju precizne rezultate i procjene tlačne čvrstoće jer su provedena u skladu s normom koju propisuje ISRM (International Society for Rock Mechanics). U ovome radu provedeno je laboratorijsko ispitivanje 23 uzoraka vapnenca, Poin Load Testom testom. 6 ih je ispitano dijametralnim testom, 4 aksijalnim te 13 testom nepravilnih uzoraka. Dobivene su vrijednosti UCS-a (uniaxial/unconfined compressive strength) te indeksa čvrstoće u točki za svaki od triju provedenih testova.Compressive strength is one of the parameters that is of big interest for geotechnical field of study. Testing in the laboratory is giving more precize results and estimations of compressive strength because the testing is conducted in consideration with the standard that gave the ISRM (International Society for Rock Mechanics). It more afformadle and more precise in estimating compressive strength of intact rock, unlike in situ testing. A laboratory testing has been conducted on 23 samples of limestone using the PLT test. 6 of the samples has been used for diametral test, 4 for the axial test and 13 for the irregular lump test. The results that were obtained were UCS (uniaxial/unconfined compressive strength) and also Point Load Strength index for each of the three tests that have been made