Quote:
Originally Posted by PCC
Pile length is determined by bearing pressure.
Obviously because of years and years of pelican sh$t they have to be long enough to get through all the crap
I wouldn't be surprised if the piles are 25 to 30m long given that we've just installed 25m piles at Loganlea, which has probably similar geotech properties to Redcliffe i.e. mush & no rock founding level.
End of lesson  
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There's a concrete bridge down here,built in the early sixties, that is sitting on bales of wool ! The surrounding area is river sand and mangrove. Back in them days there wasn't concrete tecology and them trees weren't long enough to make the big piles...so they dug big holes and put in wool bales then poured the concrete over that. It's still good.