Static structures (e.g. – buildings) – Compound curve structure – Hyperbolic parabloid shape
Patent
1985-05-30
1987-03-24
Raduazo, Henry E.
Static structures (e.g., buildings)
Compound curve structure
Hyperbolic parabloid shape
52 82, E04B 132
Patent
active
046514791
ABSTRACT:
The specification discloses a structural module for forming and protecting an enclosed space over a floor and a method for constructing a structural module. The structural module includes at least three apex hypars joined together at an apex to form the enclosed space with at least three triangular openings formed between the apex hypars and the floor. At least one base hypar is formed between one of the triangular openings in the floor. The apex hypers include a pair of linear wall edges extending upwardly and outwardly from a support point on the floor and a pair of linear roof edges attached at the upper edges of the linear wall edges and being joined at the apex. The base hypar includes a pair of base edges extending along the floor from two of the adjacent support points for the wall edges of the apex hypar to a base point. Two upright edges extend upwardly from the support points and each is coextensive with the linear wall edge of an adjacent apex hypar. In the form of the module where the triangular openings are vertical, the modules are easily joined at the vertical triangular openings to provide one enclosed space. Employing the disclosed method for construction, the module is formed from a laminar composite having layers providing resistance to compression and having layers providing tensile strength and is suitable for use as a blast-resistant underground bomb shelter or other such protective structure.
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