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I' <br />i <br />1 <br />I' <br />'1 <br />~1 <br />~' <br />b` POINT LOAD RESULTS <br /> BI0TITE GNEISS <br />~ <br />z io DDH D88 - 56,61,58,62, <br />~ 65,60,64 <br /> <br />~ 80 136 OBS. <br />U <br />U <br />~ 60 c) OBSERVATIONS <br />o (44) <br />U 40 <br />. <br />(3~) <br /> ..... <br />......... <br />.. <br />....... <br />Z .. <br />..... <br /> 20 ~ <br />(1 ~~ <br />0 (g) :: <br />• <br /> .. (~ ) <br />~ 0 ... .... .. <br /> <br /> 750-3500 3500-7500 7500-75000 75000-30000 >30000 <br /> R1 R2 R3 R4 R5 <br /> UNCONFINED COMPRESSIVE STRENGTH ;PSI) <br /> <br />`~ JOINT ROUGHNESS COEFFICIENT ~ <br />~ goo BIOTITE GNEISS ~ <br />Z CELL MAPPING - EAST PIT r <br />~ 60 OBS. <br />~ 80 ~ <br />~ o <br />U o <br /> 6Q U <br /> <br />O 26 24 () r)BSERVATIONS <br /> 40 <br />>- <br />U <br />Z <br />....... ....... <br />w 20 <br /> :::::::: <br />• <br />• <br />:• <br />• <br />• <br />~ <br /> <br />w . <br />. <br />. <br />. <br />. <br />.............. 3 <br />4 <br />1 .............. <br />....... .............. 1 1 <br /> !7 . <br />..•. <br />. <br />~ <br /> 0-2 2-4 4-6 6-8 <br />-78 78-20 <br />70 10-t2 12-74 14-76 16• <br />8- <br />JOINT ROUGHNESS COEFFICIENT (JRC) <br />I BATTLE MOUNTAIN GELD COMPANY I ~~` SEPT. .1988 <br />wroa "a 14701 <br />BIOTITE GNEISS ROCK FABRIC r <br />9 <br />STEEPEN ROBERSTON AND KIRSTEN ,Consult <br />