Spent TBM Slurry at 12 Percent Solids: Solidifying Without Doubling the Tonnage
A slurry shield driving a 2.8 km metro tunnel generates 1,100 cubic metres of spent bentonite slurry a day, and the separation plant returns about 340 tonnes of filter cake at 30 percent solids to the muck bay. The contractor had been trucking that cake as a wet slurry instead, at 12 percent solids,…
