324,000m³ over 2 years = 13,500m³ per month = 675m³ per working day = 42m³ per hour for an 16-hour shift = less than 1m³ per minute.
Quote:
Originally Posted by madog222
Project news releases said up to 18m/day, at 6m diameter that's a max of 510m³/day for one TBM averaging to 0.35m³/min. They don't continuously progress though (to install the liner segments) so the actual flow whenever spoil is coming down the conveyor would be higher.
^ I still can't get over how close the guideway will be to 887 GNW, that northern portion of the building is laboratory space, I can't image they'll be very happy.
Quote:
Originally Posted by Jimbo604
Probably feeling better than next door to the east where the building got a hair cut to make the train fit.
It always surprises me that the end of the guideway beams have so little overlap with the support piers. I'm sure the engineers know what they're doing, but it just looks precarious...
It always surprises me that the end of the guideway beams have so little overlap with the support piers. I'm sure the engineers know what they're doing, but it just looks precarious...
They will form huge concrete blocks where the guideway sections join over the pier.
Yeah, that makes sense. But if it's cast together like that I wonder how the structure handles thermal expansion...?
They're cast together in groups of three or four long with expansion joints between those sections. You can see the finished ends of the girders where the joints are.
Quote:
Originally Posted by dpogue
Circa Thursday at Great Northern Way (photo by me):
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