US 4,660,336 A · Storage tank construction

Abstract

This invention relates to an elevated liquid storage tank and a method of constructing same. An upright, hollow, cylindrical concrete shaft is constructed having a closed upper end portion forming a tank support floor. An upper, outer ledge is formed around the periphery of the shaft adjacent to the tank support floor; and a central, upright access tube is mounted in the tank support floor. An annular, steel tank wall is fabricated around the base of the shaft and hoisted to the top of the shaft using a plurality of jacks. The tank wall includes a lower annular ring beam and the space between the ring beam and the shaft upper end portion is filled with reinforced concrete to connect and retain the tank in position. Roof plates extend between the access tube and the tank wall to close the storage tank roof.

Claims12

Dependent claims

An elevated liquid storage tank comprising:

an upright, hollow cylindrical shaft adapted to be anchored to a supporting base foundation, the shaft having an upright wall and a closed upper end portion with a top surface forming a partial tank support floor;
the upper end portion having an upper, outer ledge formed around the periphery of the shaft spaced below said top surface;
a tank mounted at the top of the shaft, the tank including a wall having a lower annular ring beam attached thereto and forming a lower tank opening;
the ring beam having radially inwardly projecting support means, the ring beam and tower upper end portion forming an annular recess;
and means filling said recess to connect the tank to the shaft and complete the tank support floor.

2 more elements

Dependencies are inferred from the claim text.

Storage tank construction

Life of this patent

Storage tank construction

Life of this patent

Abstract

Claims12