Daftar Isi
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DAFTAR ISI
KATA PENGANTAR ................................................................................ i
DAFTAR ISI .............................................................................................. iiiDAFTAR GAMBAR ................................................................................. vi
DAFTAR TABEL ...................................................................................... viii
BAB I PENDAHULUAN .......................................................................... 1
1.1 Latar Belakang ............................................................................... 1
1.2 R!"an Ma"ala# .......................................................................... 2
1.$ T%an &an Man'aat Penilitian ....................................................... $
1.( Bata"an Ma"ala# ............................................................................ $
BAB II TIN)AUAN UMUM ..................................................................... (
2.1 Se%ara# Per"a#aan ........................................................................ (
2.1.1 Data U!! Per"a#aan ........................................................ *
2.1.2 +i"i, Mi"i &an Nilai Per"a#aan ............................................ *
2.1.$ Strktr -rgani"a"i Per"a#aan ............................................
2.1.( Satan Ker%a &i PT. Bkit A"a! /Per"er0, Tk ................... 3
2.1.* Rang Lingk4 &an Pr0"e" Pr0&k"i Per"a#aan ................. 15
2.2 L0ka"i &an Ke"a!4aian Daera# ..................................................... 11
2.$ Kea&aan T040gra'i ......................................................................... 1$
2.( Kea&aan Ge0l0gi ............................................................................ 1$
2.* Kea&aan Stratigra'i ........................................................................ 1*
2. Ikli! &an 6ra# H%an ................................................................... 17
2.7 6a&angan &an Kalita" Batara ................................................... 17
2.3 Pr0"e" Pena!angan Batara &i Ta!ang Air La8a ................... 2$BAB III DASAR TE-RI ........................................................................... 2
$.1 Pe!0ran ....................................................................................... 2
$.1.1 P0la Pe!0ran / Drill Pattern .............................................. 27
$.1.2 Ara# Pe!0ran / Drill Direction .......................................... 29
$.1.$ Pr0&kti'ita" Pe!0ran ......................................................... $5
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$.2 Pele&akan ....................................................................................... $*
$.2.1 Pr0"e" Kegiatan Pele&akan ................................................... $*
$.2.2 Pr0"e" Pe:a#n8a Batan Akiat Pele&akan .......................... $7
$.2.$ Karakteri"tik Ma""a Batan .................................................. (5
$.2.( Ba#an Pele&ak ....................................................................... (
$.2.* Ge0!etri Pele&akan .............................................................. (3
$.2. P0la Pele&akan ...................................................................... *
$.2.7 Ara# Pele&akan ..................................................................... *7
$.2.3 Pengi"ian Ba#an Pele&ak ...................................................... *9
$.2.9 ;akt Tn&a ......................................................................... 1
$.2.15 Ha"il Pele&akan ................................................................... 2
$.$. Energi Pele&akan .......................................................................... (
$.$.1 Work Energy .......................................................................... *
$.$.2 Waste Energy .........................................................................
$.(. Getaran &an Gel0!ang .............................................................. (
$.$.1 Getaran Tana#/Ground Vibration) ........................................ *
$.(.1.1 Fakt0r 8ang Me!4engar#i Getaran......................... *
$.(.1.2 Prin"i4 Pengkran Getaran Pele&akan.....................
$.(.1.$ Alat Ukr Getaran Tana#/Ground vibration)............. 7
$.$. Gel0!ang ................................................................................... (
$.$.1 Gel0!ang Sei"!ik .............................................................. *
$.$.2 Gel0!ang Ba&an/ Body wave) .............................................
$.$.2 Gel0!ang Per!kaan .........................................................
BAB I+ TUGAS KHUSUS ...................................................................... . 3
(.1......................................... ;akt &an Te!4at Pelak"anaan ...................................................
......................................................................................................... 3
(.2......................................... -%ek Tga" K#"" ....................................................................
......................................................................................................... 3
(.$........................................ Peralatan &an S0't<are .................................................................
......................................................................................................... 3
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(.(..................................................................................... Pr0"e" Penga!ilan Data
......................................................................................................... 9
(.(.1 Peran:angan Data A<al &an Per#itngan ............................. 9
(.(.2 Penga!ilan Data La4angan................................................. 9
(.(.$ Peran&ingan Frag!enta"i Aktal La4angan &an Pre&ik"i... 75
(.(.( Bagian Alir Penelitian............................................................ 75
BAB + HASIL DAN PEMBAHASAN ..................................................... 72
*.1 Getaran Tana#/Ground Vibration)Pre&ik"i &engan Per"a!aan
.................................................................................. Peak Paticle Velocity/ PPV)
......................................................................................................... 7
*.1.1. Ge0!etri Pele&akan RL.A"#........................................ 72
*.1.2. )!la# I"ian Ba#an Pele&ak ........................................ 7$
*.1.$. Ha"il Ground Vibration Pre&ik"i................................... 7
*.2. Getaran Tana#/Ground Vibration)Aktal &engan Menggnakan
Bla"!ateIII................................................................................ 7
*.2.1. Penentan )arak Pengkran ....................................... 77
*.2.1.1.............................................................Peralatan Pengkran
.............................................................................. 77
*.2.1.2.......................................................... Penggnaan Bla"!ateIII
.............................................................................. 73
*.2.1.$......................................................Ha"il Ground Vibration Aktal
.............................................................................. 79
*.2.1.(.......................................................... Perlengka4an Pele&akan
.............................................................................. 35
*.$. Peran&ingan Ground Vibration Pre&ik"i &an Ground Vibration
Aktal........................................................................................ 3(
BAB +I KESIMPULAN ........................................................................... 37
.1........................................................................................Ke"i!4lan 37
.2..............................................................................................Saran 37
DAFTR PUSTAKA
LAMPIRAN
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DAFTAR GAMBAR
2.1. Strktr -gani"a"i U!! PT. Bkit A"a! /Per"er0 Tk ....... 3
2.2. Strktr Ker%a B-RDAK PT. Bkit A"a! /Per"er0 Tk......... 3
2.$. Peta L0ka"i Unit Pr0&k"i PT. Bkit A"a! /Per"er0 Tk....... 112.(. L0ka"i PT. Bkit A"a! /Per"er0 Tk...................................... 12
2.*. F0t0 U&ara L0ka"i Ta!ang PT. Bkit A"a! /Per"er0 Tk.... 1$
2.. K0l0! Stratigra'i &i Ta!ang Air La8a .................................. 1$.1. P0la Pe!0ran Paralel.............................................................. 27
$.2. P0la Pe!0ran Staggered ......................................................... 23$.$. Peran&ingan Di"tri"i Energi Pele&akan.............................. 23$.(. Ara# Pe!0ran......................................................................... 29
$.*. 60nt0# Kart I=in Mele&akan /KIM...................................... $
$.. Pe!e:a#an tingkat I................................................................. $3
$.7. Pe!e:a#an tingkat II.............................................................. $9$.3. Pe!e:a#an tingkat III............................................................. $9
$.9. Pengar# kekar 4a&a kegiatan 4ele&akan............................... ((
$.15. Ge0!etri Pele&akan............................................................... (9$.11. Pengar# Br&en Ter#a&a4 Ha"il Pele&akan.......................... *5
$.12. P0la Pele&akan Ber&a"arkan Ara# Rnt#an.........................*7
$.1$. Ara# 4ele&akan kelar "&t t!4l 4er40t0ngan kekar.......*9$.1(. Bentk T!4kan Batan Ha"il Pele&akan...........................$
$.1*. Kena!4akan )en%ang Setela# Kegiatan Pele&akan................. (
$.1. Il"tra"i 4r0"e" 4eng#itgan 'rag!enta"i &engan "4lit>&e"kt04 7
(.1. Bagan Alir Penelitian............................................................. 71*.1. B0tt0! L0a&ing....................................................................... 32
*.2. Di"tri"i Energi Pele&akan P0la Staggered Dan B%r Sangkar 3*
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DAFTAR TABEL
2.1 6a&angan Batara PT. Bkit A"a! /Per"er0, Tk. ..................... 17
2.2 )eni" Batara PT. Bkit A"a! /Per"er0, Tk. ............................. 13
2.$ Pengg0l0ngan Mt Batara PT. Bkit A"a! /Per"er0 Tk /ASTM 19
2.( S4e"i'ika"i Batara PTBA Ber&a"arkan Per!intaan K0n"!en. . 21
2.* Kalita" Batara / Market Brand &i PT. Bkit A"a! /Per"er0, Tk. K0nver"i E!4iri"
Mine Brand & Market Brand &ari ?A&@ ke ?Ar@ ........................... 22
2. Kalita" Batara / Market Brand &i PT. Bkit A"a! /Per"er0, Tk. 22
$.1 Kla"i'ika"i Ba#an Pele&ak Menrt An0n /1997 ......................... (1
$.2 Hngan Antara U6S Dengan Kekera"an Batan ....................... (1
$.$ Hngan Antara R& Dengan Freken"i Bi&ang Le!a# Per Meter (2
$.( Kla"i'ika"i )arak Antar Bi&ang Le!a#............................................... ($
$.* B00t Nilai Tia4 Para!eter Dala! Penentan Blastability Inde!! (*
$. Kla"i'ika"i Ba#an Pele&ak Menrt An0n...................................... (
$.7 Br&en "tan&ar /K B."t& !enrt R.L. A"#....................................... *1
$.3 Hngan Nilai Powder "actor &engan Ti4e Batan..................... 1
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$.9 Hngan Nilai Powder "actor &engan Den"ita" Batan.............. 1
$.15 ;akt tn&a antar row!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 2
(.1 Peralatan &an S0't<are................................................................... 3
*.1 Data Ge0!etri Pele&akan &i Pit TAL Selatan 4a&a tanggal 12 > 2$ Se4te!er 251*.
......................................................................................................... 7$
*.2 T0tal +0l!e Pele&akan Per#ari &i Pit TAL Selatan...................... 7(
*.$ )!la# Ba#an Pele&ak Per Hari /Kg............................................. 7(
*.( Tael P0<&er Fa:t0r....................................................................... 7*
*.* Di"tri"i Ukran Frag!enta"i Ha"il Pele&akan............................ 7
*. Frag!enta"i Ha"il Pele&akan &engan S4lit Dek"t04