Arch supported membrane structure and a method of erection that

Details Arch supported membrane structure and a method of erection that Arch supported membrane structure and a method of erection that

1975-02-13

1976-11-09

Bell, J. Karl

Static structures (e.g., buildings)

Compound curve structure

Hyperbolic parabloid shape

52747, E04B 132, E04G 2100

Patent

active

039901947

ABSTRACT:
A pre-stressed arch supported membrane structure, a method of assembly and erection and a means of tensioning a membrane of double curvature supported by and attached to upright arches.
By moving the ends of flat resilent arch structural members closer together, pre-stressed arches are formed by "bowing."
Assembly and erection consists of attaching flat arch member ends to base beams, one fixed and one movable; attaching membranes to these flat members when reclined on the ground, operatively attaching transverse or inclined arch members to their respective structural members; moving the non-fixed base beam towards the fixed base beam thus causing the arches to be formed as the structure rises to its erected position. Preliminary tensioning of the membrane can take place when the transverse or inclined arches are attached to the arch members in their reclined position. Final membrane tensioning adjustments at the crown and at the base by moving the arches horizontally then anchoring the structure to the base, safely securing the base beams and arch ends completes the erection of the main structure.
An alternate method of erection is provided by elimination of the base beams by fastening the arches directly to the base. The support arches are "bowed" after being attached to the transverse or inclined arches and then attached to the base by means of an adjustable fastener.
Lightweight end closures or doors may be assembled and partially attached before erection to eliminate or decrease above ground assembly.

REFERENCES:
patent: 3057119 (1962-10-01), Kessler
patent: 3094812 (1963-06-01), Peeler et al.
patent: 3765134 (1973-10-01), Gilchrist

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