METAL MINING TECHNOLOGY IN JAPAN 5

Personnel （Person）

Crude ore （×1,000t）

Zinc （×1,000t）

Silver （t）

Lead （100t）

48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 2

428 445

493

399

111

103

532

506

352

380

70

45

47

40

58

34 28

36

110

86 87

89 81

29

29

487

Showa Heise i

’ 73 ’ 74 ’ 75 ’ 76 ’ 77 ’ 78 ’ 79 ’ 80 ’ 81 ’ 82 ’ 83 ’ 84 ’ 85 ’ 86 ’ 87 ’ 88 ’ 89 ’ 90

1

11

Type

322D Leg

#530 Stoper

Rail jumbo

Tyre jumbo

Mobile jumbo

Minimatic jumbo

(Hydraulic jumbo for excavation)

HMJ(Hydraulic long-hole jumbo)

CMM-2(Down-the-hole drill)

M-110

NKR-100M

RPD-20A

ZC5380

#600B

#650

Tyre loader T-2H

Shaff loader KL-7

KL-15

Train loader KTL-7

Side dump loader 632H

615E

LHD TORO 300D

M-8

M-7

M-6

ST-2B

LHD HST-1A�

922

922E(Electric)

Slasher 20.50.75HP

Battery loco tive 2T

4T

6T

Gramby car 1.5m

4.0m

Dump truck 20t

RBB-100A

BM-100K

BMS-40A

BMS-40B

Screw compressor

Booster compressor

Table1 Main machineries and apparatus

Classification

Machine

Loader�

Loader (cont’t)

Transporter

Raise borer

Compressor�

Number

30

20

9

8

15

4

8

4

10

2

1

1

15

25

6

2

1

1

1

1

1

1

9

6

1

6

1

2

13

19

40

3

200

10

1

1

1

1

2

1

2

Usage

Gallery excavation

Raising

Excavation for exploration and development

Stope preparation

Stope preparation, excavation for exploration and development

Stope preparation, excavation for exploration and development

Stoping

Stoping

Stoping

Drain, pipe hole

Long-hole raising (Hydrulic machine drill)

Drilling. robot (Hydraulic machna drill)

Gallery excavation

Gallery excavation

Stope prepartion (Sublevel excavatiom)

Excavatiom for exploration and development

Excavatiom for exploration and development

Excavatiom for exploration and development

Stope prepartion, excavatiom for exploration and development

Stope prepartion, excavatiom for exploration and development

Stope prepartion, excavatiom for exploration and development, stoping

Stope prepartion, excavatiom for exploration and development, stoping

Stope prepartion, excavatiom for exploration and development, stoping

Stope prepartion, excavatiom for exploration and development, stoping

Stope prepartion, excavatiom for exploration and development, stoping

Stope prepartion, excavatiom for exploration and development, stoping

Stope prepartion, excavatiom for exploration and development, stoping

Stope prepartion, excavatiom for exploration and development, stoping

stoping

Materials transportation

Ore and waste transportation

Ore transportation

Ore and waste transportation

Ore transportation

Ore and waste transportation

Air shaft, pilot tunnel for raise

Air shaft

Air shaft, stope preparation (Slot shaft)

Air shaft, stope preparation (Slot shaft)

DHD drilling

DHD drilling

METAL MINING TECHNOLOGY IN JAPAN【5】

SUBLEVEL STOPING AND HOT ROCK CONTROL TECHNIQUE

©Japan Oil, Gas and Metals National Corporation 2005

Produced by Lukio Co., Ltd

Previous edition ©Metal Mining Agency of Japan 1998

Produced by DOWA Mining Co.,Ltd.