im confused... is this, or is this not CHD drilling? If so, i was under the impression that one of the main benefits of this method was that there was no 'appreciable arisings' created - however, in this video, there is clearly a large amount. Anyone able to tell me where i've gone wrong - this is probably my weakest subject.... drills are shit for thrills...
it is cfa, the drill is just shorter , as you can see it went down the bore hole several times, where as if it had a larger drill like the one you are used to you wouldnt need to come up so many times sit it is cfa ( continuous flight auger.
owrite man Im the same ! im a qs Iain Law.
enzo15 2 years ago
im confused... is this, or is this not CHD drilling? If so, i was under the impression that one of the main benefits of this method was that there was no 'appreciable arisings' created - however, in this video, there is clearly a large amount. Anyone able to tell me where i've gone wrong - this is probably my weakest subject.... drills are shit for thrills...
Cheers
SocoAmarettoLime87 2 years ago
it is cfa, the drill is just shorter , as you can see it went down the bore hole several times, where as if it had a larger drill like the one you are used to you wouldnt need to come up so many times sit it is cfa ( continuous flight auger.
enzo15 2 years ago
mate, you could not have times your reply more perfectly - i have a construction technology exam at 14:00, and piling is a dead cert to come up.
thanks - makes a lot more sense now.
SocoAmarettoLime87 2 years ago
see also clip 'borepile method'.
nnb778 2 years ago
Drill 'em and fill 'em
rps57x 2 years ago