Moranbah Mine Shaft

2 mine shafts (4 & 5) are drilled and reamed to approximately 30m below ground level at 4.3m diameter, using shotcrete as wall stabilisation cast in night shift. Shaft (6) is 7.8m diameter, which requires the construction of a “ringed hard soft secant wall” around the perimeter prior to internal drilling at 7.3m diameter down to 30m.

[@demolitiondavedrillandblast]

Wow! That really is the mother of all drills!!

[@garolyes]

Thanks for the info.

[@robertcampbell6521]

you drill a pilot hole first then attach reamers which cut to the diameter of the next barrel which also has reamers and the material that is removed by the reamers falls into the pilot hole . lots of tool changing as you have to keep removing spoil from the pilot hole !! It's a slow process

[@misfittradesman3007]

Amazing operations like this one always get me thinking... Is there a store for 25' diameter hole saws? How did they get it there? Like disassembling into a bunch of wedges or something? Where do you keep it between jobs? What other awesomeness is in the yard one stores such things? How many jobs like this are there? How much does that rotating assembly weigh? ... Thanks for the great video!

[@hamzatristen3261]

i know im asking randomly but does any of you know a trick to log back into an instagram account..? I stupidly forgot the login password. I would love any tricks you can offer me.

[@leonardkian4305]

@Hamza Tristen Instablaster =)

[@hamzatristen3261]

@Leonard Kian I really appreciate your reply. I found the site through google and im waiting for the hacking stuff now. Takes a while so I will reply here later with my results.

[@hamzatristen3261]

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[@leonardkian4305]

@Hamza Tristen happy to help :)

[@nirmalparaye1468]

Thanks For Giving Better understanding !!

[@MartinChivasa]

BEAUTIFUL, I LIKE

[@thenotsosecretagent3052]

marvelous! today i learned of the existence of crane mounted drilling rig. May I know what model / manufacturer is it?

[@Hightower.]

??? What Music is playing there ???

[@jdeleb]

nice work, nice music :)

[@lozarok]

Great Vid - Cheers

[@kpatfarrell]

how many days?

[@pilingcontractors1961]

+kpatfarrell Thank you for your query. This was a 7.8m diameter shaft drilled out in 7 days after constructing a secant pile wall around the perimeter. Kind regards, Jo

[@mcchickennug]

@@pilingcontractors1961 How are shafts that go down hundreds of meters made? surely there can't be a crane that goes hundreds of metres up to do that

[@_NoNaMe_10]

I am a manushyan

[@pierredelecto7069]

Just like my hole saw only bigger

[@_NoNaMe_10]

Hlo aaaaaarumillr

[@Flakes06]

That's like 25 days to make mineshaft in real life

[@marx4325]

too slow

[@user-bk2ok2en9b]

中国机手、

[@Milothedoggy]

中国机手什么？

[@leezgamingz6317]

段段子 :’”98764@#