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US 4,015,383 AGranted
Concrete tank of precast concrete panels with pretensioning beam means
OwnerFrancis X. Crowleyinventor
Life of this patent
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Abstract
A tank constructed of either cast-in-place concrete, or of precast panels of concrete which are separated from each other around the periphery of the tank with the open spaces between the panels being filled with concrete filler units poured in place. One or more collar-like horizontally-lying concrete beams surround the wall of the tank and reinforce it. Each beam is reinforced by one or more tendons encased within the beam.
Claims3
A tank wall comprising:
- a multiplicity of precast panels of concrete, laterally spaced-apart over their entire thickness, and vertically one-piece integral over the entire height of said wall,
- cast concrete filler units filling the entire spaces between said panels,
- a plurality of vertically spaced-apart cast continuous circular concrete beams contiguous with said panels,
- said beams forming horizontal collars surrounding said wall to reinforce said wall, and
- metal reinforcing means surrounding said wall and covered by the concrete of said beams,
- said reinforcing means being in tension while the tank formed by said wall is empty, thereby to stress said wall.
3 more elements
Dependencies are inferred from the claim text.