Claims
- 1. A method of creating a tank of generally oval configuration by the use of a plurality of precast wall panels of a consistent configuration, comprising the steps of
- a. creating a diaphragm liner of generally rectangular configuration, possessing a first face and a second face,
- b. placing said diaphragm liner on a supporting surface with said first face down and said second face up,
- c. securing a plurality of elongate ducts in a spaced, parallel relationship at a location above said second face of said diaphragm liner, with the duct spacing being in accordance with a consistent pattern,
- d. pouring concrete to a desired depth on said second face of said diaphragm liner, such that said diaphragm liner as well as said ducts are covered to a consistent depth,
- e. before hardening takes place, shaping the concrete to an essentially consistent thickness, thus to create a generally rectangularly shaped wall panel suitable for tank construction,
- f. contouring the surface of the concrete to a finished condition, so as to be suitable for the exterior of the tank to be formed out of the panels,
- g. thereafter assembling the plurality of panels so formed into the configuration of a generally oval tank, with the abutting edges of the panels spaced closely together, and said ducts in substantial alignment,
- h. inserting a tensioning member through each set of substantially aligned ducts of the assembled panels,
- i. pouring concrete between the abutting edges and then shaping the concrete to a finished condition, and
- j. applying tension to each tensioning member so as to draw the abutting edges of said panels tightly together.
- 2. The method of creating a tank as recited in claim 1 in which each of said generally rectangularly shaped wall panels is formed in a configuration of consistent curvature, such that a circular tank will be formed when said panels are assembled together into a completed tank.
- 3. The method of creating a tank as recited in claim 2 in which a cementitious coating is applied over said first face of the diaphragm liner.
- 4. The method of creating a tank as recited in claim 2 in which a diaphragm liner of corrugated material is utilized in the construction of each panel.
- 5. The method of creating a tank as recited in claim 2 in which a diaphragm liner of rubber type material is utilized in the construction of each panel.
- 6. The method of creating a tank as recited in claim 1 in which the generally rectangularly shaped precast wall panels are of two different configurations in order to create a tank of generally elongate configuration, with a plurality of substantially flat panels utilized along each side of such tank, and panels of substantial curvature utilized at each end of such tank.
- 7. The method of creating a tank as recited in claim 6 in which a cementitious coating is applied over said first face of each diaphragm liner after the tank is assembled.
- 8. The method of creating a tank as recited in claim 6 in which a diaphragm liner of corrugated material is utilized in the construction of each panel.
- 9. The method of creating a tank as recited in claim 6 in which a diaphragm liner of rubber type material is utilized in the construction of each panel.
- 10. The method of creating a tank as recited in claim 1 in which the generally rectangularly shaped precast wall panels are of two different configurations in order to create a tank of generally elliptical configuration, with a plurality of panels of slight curvature being utilized along each side of such tank, and panels of substantial curvature utilized at each end of such tank.
- 11. The method of creating a tank as recited in claim 10 in which a cementitious coating is applied over said first face of each diaphragm liner after the tank is assembled.
- 12. The method of creating a tank as recited in claim 10 in which a diaphragm liner of corrugated material is utilized in the construction of each panel.
- 13. The method of creating a tank as recited in claim 10 in which a diaphragm liner of rubber type material is utilized in the construction of each panel.
- 14. A tank of generally oval configuration having a wall created by a plurality of abutting precast wall panels, each said precast wall panel being of consistent preselected configuration utilizing a diaphragm liner, the diaphragm liner of each panel being of a generally rectangular configuration and uniform thickness, each diaphragm liner possessing a first face and a second face,
- a plurality of elongate ducts disposed in a spaced, essentially parallel relationship at locations adjacent to the second face of each said diaphragm liner, with the duct spacing being in accordance with a consistent pattern,
- concrete being utilized on a said second face of each diaphragm liner, such that the diaphragm liner as well as said ducts are covered by concrete to a substantially consistent depth,
- the concrete being shaped to an essentially consistent thickness and the surface of the concrete contoured to a finished condition, suitable for the exterior of the tank,
- said precast wall panels grouped into a tank wall of generally oval configuration, with the abutting edges of the panels spaced closely together, and all of said ducts in generally horizontal alignment,
- a horizontally disposed tensioning member extending through corresponding ducts of the several panels, and concrete utilized over the abutting edges and contoured to a finished condition,
- said tensioning members being secured in a tensioned condition to hold said panels tightly together.
- 15. The tank of generally oval configuration utilizing a plurality of panels as recited in claim 14 in which each of said panels is of consistent curvature, such that said panels together form a circularly shaped tank.
- 16. The tank of generally circular configuration as recited in claim 15 in which the first face of each said diaphragm liner has a cementitious coating.
- 17. The tank of circular shape as recited in claim 15 in which each diaphragm liner is made of corrugated material.
- 18. The tank of circular shape as recited in claim 15 in which each diaphragm liner is made of rubber type material.
- 19. The tank of generally oval configuration as recited in claim 14 in which said tank has substantially flat sides and curved ends, said precast wall panels being of two different configurations, with panels of a first configuration having substantial curvature and panels of a second configuration being substantially flat and used on the substantially flat sides of the tank, thus to form an elongate tank.
- 20. A tank of generally oval configuration as recited in claim 19 in which the first face of each said diaphragm liner has a cementitious coating.
- 21. The tank of generally oval configuration as recited in claim 19 in which said diaphragm liner is made of corrugated material.
- 22. The tank of generally oval configuration as recited in claim 19 in which said diaphragm liner is made of rubber type material.
- 23. The tank of generally oval configuration utilizing a plurality of precast wall panels as recited in claim 14 in which said precast wall panels are of two different configurations, with precast wall panels of a first configuration being substantially curved and being used at the ends of the tank, and precast wall panels of a second configuration being slightly curved and being used in the section of the tank wall located between the ends of the tank, thus to form an elliptically shaped tank.
- 24. The tank of elliptical configuration as recited in claim 23 in which the first face of each diaphragm liner has a cementitious coating.
- 25. The tank of elliptical configuration as recited in claim 23 in which said diaphragm liner is made of corrugated material.
- 26. The tank of elliptical configuration as recited in claim 23 in which said diaphragm liner is made of rubber type material.
- 27. A tank of generally circular configuration in having a wall created by a plurality of abutting precast wall panels,
- each said precast wall panel being of consistent curvature and configuration and utilizing a diaphragm liner of generally rectangular configuration, each diaphragm liner possessing a selected degree of arcuate curvature in one direction, thus being concave on one side and convex on the other side,
- a plurality of elongate ducts disposed in a spaced, parallel relationship at locations adjacent the convex surface of each said diaphragm liner, with the duct spacing being in accordance with a consistent pattern,
- concrete being utilized on said convex surface of each diaphragm liner, such that the diaphragm liner as well as said ducts are covered by concrete to a consistent depth,
- the concrete being shaped to an essentially consistent thickness to create a wall panel, with the surface of the concrete contoured to a finished condition, suitable for the exterior of the tank,
- said precast wall panels grouped into a circularly shaped tank wall, with the abutting edges of the panels spaced closely together, and all of said ducts in circumferential alignment,
- a circumferential tensioning member extending through corresponding ducts of the several panels, and concrete utilized over the abutting edges and contoured to a finished condition,
- said tensioning members being tensioned to hold said panels tightly together.
- 28. The tank of generally circular configuration as recited in claim 27 in which the concave side of each of said diaphragm liners has a cementitious coating.
- 29. The tank of generally circular configuration as recited in claim 27 in which each of said diaphragm liners is made of corrugated material.
- 30. The tank of generally circular configuration as recited in claim 27 in which each of said diaphragm liners is of rubber type material.
RELATIONSHIP TO PREVIOUS APPLICATION
This is to be regarded as a Continuation-in-Part of my patent application entitled "CIRCULAR PRESTRESSED CONCRETE TANK AND METHOD OF CONSTRUCTING SAME," Ser. No. 07/922,382, filed Jul. 31, 1992, which is to be abandoned with the filing of this application.
US Referenced Citations (9)
Continuation in Parts (1)
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Number |
Date |
Country |
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922382 |
Jul 1992 |
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