Appendix M

5.6.1 Mohs hårdhedsskala:............................................................................................ 42
5.6.2 Vickers Hardness Number Rock VHNR.............................................................. 43
5.6.3 Sammenligning mellem Mohs hårdhedsskala og VHN ....................................... 44
6 TESTER ............................................................................................................ 45
6.1 Prøver ..........................................................................................................................45
6.1.1 Stenprøver ............................................................................................................ 45
6.1.2 Udformning af prøvestykker ................................................................................ 46
6.2 Brasilianske tester ...................................................................................................... 48
6.3 Kompressions tester ................................................................................................... 49
6.4 Strain ........................................................................................................................... 50
6.5 Borbarhedstester ........................................................................................................ 51
6.5.1 DRI....................................................................................................................... 51
6.5.2 BWI ...................................................................................................................... 52
6.5.3 CLI ....................................................................................................................... 52
6.5.4 Densitet, sprødhedstal og slitageværdier.............................................................. 53
6.6 Mineralogi................................................................................................................... 54
6.6.1 XRD-tester ........................................................................................................... 54
6.6.2 Tyndslib................................................................................................................ 55
6.6.3 Vickers hårdhed.................................................................................................... 60
6.7 Kommentarer til testresultater ................................................................................. 62
6.7.1 Tensionsstyrke...................................................................................................... 62
6.7.2 Kompressionsstyrke ............................................................................................. 62
6.7.3 DRI....................................................................................................................... 64
6.7.4 BWI og CLI.......................................................................................................... 65
6.7.5 Sammenligninger ................................................................................................. 66
7 BOREMETODER .............................................................................................. 70
7.1 Konventionelle boremetoder ..................................................................................... 70
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