Subject: [permaculture] Ferrocement water tank pix
Date: Wed, 19 Dec 2007 18:16:23 +0000
David wrote:<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Diameter is not a consideration with regard to hydrostatic pressure, only
depth.>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
I know that. But I wasn't referring to hydrostatic pressure, I was refering
to the hoop stress produced in the walls of the tank by the hydrostatic
pressure. It's the product of the hydrostatic pressure and the tank diameter.
I hope nobody thinks that he or she can build a 30 m. dia tank with the same
wall thickness as a 3 m. dia tank.
constant gardener.