Download - Bahan Ajar Mekanika Batuan.2
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3.4. RMR4)1 :"%%";0*< =0> ?(-(@1.1-= (-1 $=1# ." A%(==0:B ( -"A2 @(== $=0*< .)1 !"! =B=.1@C
8*0(>0(% A"@?-1==0D1 =.-1*
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3.5. Hubungan Antara Stan-up Time dengan RMR
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3.6. Rock Tunnelling Quality Index, Q systemK* .)1 M(=0= ": (* 1D(%$(.0"* ": ( %(-A(D(.0"*=N '(-."* 1. (% OPQRSI ": .)1
T"-;1
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Estimated support categories based on the tunneling quality index Q (Grimstad & Barton, 1993):
REINFORCEMENT CATEGORIES!" #$%#&&'()*+,
." %&') /'0)1$2,
3"
%4%)*56)17 /'0)1$2,
8" %4%)*56)17 /'0)1$2 91): 8;
>" =1/(* (*1$='(7*+ %:')7(*)* >;
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?" 76%) 7'$7(*)* 01$1$2, E6FGHI 2IJKLGMN MON /MIGPOD !??3"
U* -1%(.0*< .)1 D(%$1 ": .)1 0*#1> % ." .)1 =.(M0%0.B (*# =$??"-. -1V$0-1@1*.= ": $*#1-