Stress relieved air supported structure

Details Stress relieved air supported structure Stress relieved air supported structure

E - Fixed Constructions

04

H

135/2

E04H 15/22 (2006.01)

Patent

CA 1036891

ABSTRACT OF THE DISCLOSURE Envelopes of air supported structures have previously been constructed of extremely heavy and strong materials usually far above and beyond the strength of the materials needed, which, in addition to materially increasing the costs, have increased the loading stresses inherent in maintaining static equilibrium in view of the increased pressures necessary to inflate and maintain inflation support of such extremely heavy enclosures. Although the prior art have recognized that problems of load distribution existed in air supported structures, none teach how such structural loading is interrelated and how such load may be resolved in a manner to provide an air supported structure of static equilibrium. In accordance with the present concept, a stress relieved air supported structure having a wall portion including a plurality of relatively elongated panel members joined together by seam means and restrained by harness means; anchor means being provided along the base perimeter of the wall portion; each of the panel members including a membrane configuration, adjoining panel members being joined together by a seam means and having web means interconnected thereto along the seam thereof, and wherein the load of the harness means, seam means, anchor means, and the load and stress of the membrane configurations thereof are a function of the width and height of the air supported structure, the primary radius of curvature thereof, and the design wind speed and inflation pressure thereof. None of the prior teachings suggest the structural loading interrelationship and resolution of the same in the manner outlined by the present concept.

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