underground mining system

Tailing

Tailing

Ore

Ore

Ore

Ore

Ore

W a s t e

W a s t e

SISTEM PENAMBANGANSISTEM PENAMBANGAN

• TAMBANG TERBUKA TAMBANG TERBUKA – OPEN PITOPEN PIT– QUARRYQUARRY– STRIP MINESTRIP MINE– ALLUVIAL MINE/HYDRAULIC MINE ALLUVIAL MINE/HYDRAULIC MINE

• TAMBANG BAWAH TANAHTAMBANG BAWAH TANAH

• TAMBANG BAWAH AIRTAMBANG BAWAH AIR

SISTEM TAMBANG BAWAH SISTEM TAMBANG BAWAH TANAHTANAH(BIJIH)(BIJIH)

• OPEN STOPE METHODOPEN STOPE METHOD– GLORY HOLEGLORY HOLE – GOPHERINGGOPHERING– SUBLEVEL STOPING SUBLEVEL STOPING – OVERHAND STOPINGOVERHAND STOPING- UNDERHAND STOPINGUNDERHAND STOPING- BREAST STOPINGBREAST STOPING

- STOPE AND PILLAR- STOPE AND PILLAR

• SUPPORTED METHODSUPPORTED METHOD

• CAVING METHODCAVING METHOD

• SUPPORTED METHODSUPPORTED METHOD– CUT AND FILLCUT AND FILL– STULL STOPINGSTULL STOPING– STOPE AND PILLARSTOPE AND PILLAR– SQUARE SET STOPINGSQUARE SET STOPING– SHRINKAGE STOPINGSHRINKAGE STOPING

• CAVING METHODCAVING METHOD– BLOCK CAVINGBLOCK CAVING– SUBLEVEL CAVINGSUBLEVEL CAVING– TOP SLICINGTOP SLICING

TAMBANG BAWAH TANAHTAMBANG BAWAH TANAH(BATUBARA)(BATUBARA)

• LONG WALL MININGLONG WALL MINING– ADVANCED SYSTEMADVANCED SYSTEM– RETREATING SYSTEMRETREATING SYSTEM

• ROOM AND PILLARROOM AND PILLAR

PERALATAN PENAMBANGANPERALATAN PENAMBANGAN• ALAT BONGKAR TBTALAT BONGKAR TBT

– LUNAK : EXCAVATOR, Drum shearerLUNAK : EXCAVATOR, Drum shearer– KERAS : Pemboran & peledakanKERAS : Pemboran & peledakan

• ALAT MUAT : LHD, ROCKER SHOVEL, ALAT MUAT : LHD, ROCKER SHOVEL, CONTINUEOS LOADERCONTINUEOS LOADER

• ALAT ANGKUT: TRUK, BELT ALAT ANGKUT: TRUK, BELT CONVEYOR, LOKOMOTIF, HAULAGE, CONVEYOR, LOKOMOTIF, HAULAGE, WINDING SYSTEM.WINDING SYSTEM.

TAMBANG TAMBANG BAWAH TANAHBAWAH TANAHLAY OUT BUKAANLAY OUT BUKAAN

TAMBANG TAMBANG BAWAH BAWAH TANAHTANAH

Glory HoleGlory Hole

TAMBANG BAWAH TANAHTAMBANG BAWAH TANAHGopheringGophering

TAMBANG TAMBANG BAWAH BAWAH TANAHTANAHSublevel Sublevel StoppingStopping

TAMBANG BAWAH TANAHTAMBANG BAWAH TANAHSublevel StoppingSublevel Stopping

TAMBANG BAWAH TANAHTAMBANG BAWAH TANAHOverhand StopingOverhand Stoping

TAMBANG TAMBANG BAWAH BAWAH TANAHTANAH

Underhand Underhand StopingStoping

TAMBANG TAMBANG BAWAH BAWAH TANAHTANAH

Stope and Stope and PillarPillar

TAMBANG TAMBANG BAWAH TANAHBAWAH TANAH

Stope and PillarStope and Pillar

SUPPORTED METHODSUPPORTED METHODCut and FillCut and Fill

SUPPORTED METHODSUPPORTED METHODCut and FillCut and Fill

SUPPORTED SUPPORTED METHODMETHOD

Stull StoppingStull Stopping

SUPPORTED SUPPORTED METHODMETHOD

Square-set Square-set StopingStoping

SUPPORTED SUPPORTED METHODMETHOD

Shrinkage Shrinkage StoppingStopping

CAVING METHODCAVING METHODBlock CavingBlock Caving

CAVING METHODCAVING METHODSublevel CavingSublevel Caving

CAVING METHODCAVING METHODTop SlicingTop Slicing

TAMBANG BAWAH TANAH BATUBARATAMBANG BAWAH TANAH BATUBARARoom and PillarRoom and Pillar

ALAT ANGKUTALAT ANGKUT

1. Pemboran

2. Peledakan 3. PenarikanTailing Tailing

TailingTailing

Ore Ore

Ore Ore

Ore

WasteWaste

4. Rongga Stope

Tailing

Ore

Waste

Waste

Ore

Barikade Waste

Barikade Waste

Tailing

Tailing

Tailing

X - Cut

X - Cut

5. Back Filling

6. Stope siap produksi

Rongga setelah produksi

Rongga awal

OreOre

Waste

Waste

SIKLUS Cut&FillSIKLUS Cut&Fill DrillDrill

Type : Button Bit

Diameter : 45 mm

Rod length : 2.4 m

Drill depth : 2,3 m

Drill space : 60 cm

No of Holes : ± 50-60 holes

BlastBlast Explosives

Danfo (25kg/bag) : 0,49 kg/ton

Dinamit (25 & 30 mmx 20 cm @ 0,18-0,2 gr) : 0,07 kg/ton

El. Detonator:0,03 pcs/ton

Nonel Det : 0,2 pcs/ton

SupportSupport Diamond Pattern:

Split set:

L : 2,4 m

D : 49 mm

Weld Mesh (2,2x4,5 m):

O : 10 x 10 cm

D : 5.6 mm

Wire mesh (2x15 m):

O : 40 x 40 mm

D : 4 mm

Flat strap :

L : 3 m

W: 15 cm

T : 3 mm

a

b

c

Jumbo Axera D07 S-260, (Tamrock)

Mark up & Drilling Face

Diameter Hole : 45mmDiameter Reamer : 102mmLength of hole : 3.0m

University of Pembangunan Nasional “Veteran” YogyakartaDepartment of Mining EngineeringJuly 21, 2007

Smooth Blasting within weak rock, Smooth Blasting within weak rock, undergroundunderground Kencana MineKencana Mine

Drill Pattern

University of Pembangunan Nasional “Veteran” YogyakartaDepartment of Mining EngineeringJuly 21, 2007

Smooth Blasting within weak rock, Smooth Blasting within weak rock, undergroundunderground Kencana MineKencana Mine

Reamer Hole 102mmFree Face

Cut Hole 45mm

Burncut

University of Pembangunan Nasional “Veteran” YogyakartaDepartment of Mining EngineeringJuly 21, 2007

Smooth Blasting within weak rock, Smooth Blasting within weak rock, undergroundunderground Kencana MineKencana Mine

Mass Hole

Perimetric Hole

Knee HoleLifter Hole

Smooth Blasting within weak rock, Smooth Blasting within weak rock, undergroundunderground Kencana MineKencana Mine

University of Pembangunan Nasional “Veteran” YogyakartaDepartment of Mining EngineeringJuly 21, 2007

Raise Climber: MERK : ARKBRO

MODEL : ABI-SE/EE

CAPACITY : 150 m (9 m2)

Motor : Compressed air driven

Air Consumption @ 6 Bar: 165 – 230 l/s

(10-143/min)

TAHUN OPERASI : 1996

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