a civil engineers insight into the quarrying industry and how a quarry operates
TRANSCRIPT
1
Hard Rock Quarry Technical Session – What Happens at Quarry
Andrew’s insightHow engineering has improved the industry 1990 - today
Octo
ber 2
015
2
How does this happens ?
How this presentation can help you
with your role at
TMR
Some tips and tricks to look
out for
Purp
ose
3
Example of Quarry Cost Distribution
DrillingBlastingLoadingHaulingCrushing
Finan
cial S
ide
4
Rock
Type
s
Lithological classifications, three groups of rocks
Igneous rocksSedimentary rocksMetamorphic rocks
5
Rock
Type
s
Image Source : www.geology.com
6
Key
Reso
urce
s Identification of Key ResourcesQuarry Deposits are identified via Key
Resources Area i.e Winton is KRA No. 99
7
Key
Reso
urce
s
8
Quar
ry P
lann
ing
Why is Quarry Development Important ?
9
Quar
ry P
lann
ing
Why is Quarry Development Important ?
10
Quar
ry P
lann
ing
Why is Quarry Development Important ?
11
1st S
tage
of Q
uarry
ing
Drill & Blast ? https://youtube/akSmI2FeZEo
12
2nd
Stag
e of
Qua
rryin
gLoad & Haul ?
https://youtube/R0VvJMB4tYE
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3rd S
tage
of Q
uarry
ing
Crushing & Screening ?Primary crushing phase Secondary crushing phaseTertiary crushing phaseScreening and stockpiling Special screening and washing aggregates
https://youtube/D7UklCrjlME
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3rd S
tage
of Q
uarry
ing
Primary Crushing?
15
3rd S
tage
of Q
uarry
ing
Secondary & Tertiary Crushing?
16
3rd S
tage
of Q
uarry
ing
Crushing and screening circuit ?
What does water do to crushing and screening process ?
17
3rd S
tage
of Q
uarry
ing
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3rd S
tage
of Q
uarry
ing
Example of plant for producing asphalt aggregates
19
3rd S
tage
of Q
uarry
ing
How do quarries produce sealing aggregates?Generally achieved by rescreening 20mm and
10mm concrete aggregates already producedThese materials are re-feed into a special
screening and wash circuitSome cases shaping crushers are used like VSI
crushers
20
3rd S
tage
of Q
uarry
ing
Mobile plants are common in Central West region?
21
3rd S
tage
of Q
uarry
ing
How do quarries produce sealing aggregates?
22
Ques
tions
thank you for your time