Static structures (e.g. – buildings) – Compound curve structure – Hyperbolic parabloid shape
Patent
1990-02-09
1992-03-10
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Compound curve structure
Hyperbolic parabloid shape
52 215, 52223R, 52224, 264 32, 264 34, 220319, 156143, 417 38, E04B 132
Patent
active
050940449
ABSTRACT:
An improved dome structure on a base is disclosed comprising, in the preferred embodiment, of a membrane sandwiched between layers of rigidifying material such as shotcrete or reinforced composite which also serve to embed radial wires and circumferential tensioned prestressing. Various types of circumferential tensioned prestressing can be applied to minimize bursting stresses and can consist of steel wire as well as fiber or steel-reinforced tape. Further layers of rigidifying material can then be applied over the circumferential prestressing as a final protection and cover. The radial wires can contain spacers or hooks to preclude the circumferential prestressing from riding up on the structure. The lower portion of the dome can include a reverse curvature to minimize stresses and stabilize the structure. The rigidifying material may be composite which can be hardened by light curing. A second outer membrane can also be used for weather protection.
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