Prestressed concrete pressure vessels

Details Prestressed concrete pressure vessels Prestressed concrete pressure vessels

1980-08-11

1982-02-02

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Forming stressed concrete articles

B28B 2308

Patent

active

043139027

ABSTRACT:
A prestressed concrete pressure-containment vessel having one or more cavities within its external shell. The cavities, whether cylindrical or other shape, are totally contained by prestressing tendons, which apply forces to contain various pressures within the structure. By permitting and actually inducing controlled cracking of the vessel in the outer portions of the thick shell wall, one embodiment of a pressure-containment vessel relieves stresses and enhances resistance to very high internal pressures and to stresses due to high internal temperatures and steep temperature gradients.

REFERENCES:
patent: 3390211 (1968-06-01), Ziegler
patent: 3589088 (1971-06-01), Seidl
patent: 4044088 (1977-08-01), Hume

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