A pneumatic structure

Details A pneumatic structure A pneumatic structure

E - Fixed Constructions

04

H

E04H 15/20 (2006.01) E04B 1/343 (2006.01)

Patent

CA 2252956

A pneumatic structure in the form of a barrel roof which has openings at the opposite ends thereof includes outer and inner walls of a sheet or membrane material connected by a plurality of partition walls in the form of ribs provided therebetween to define a plurality of air compartments in the form of ribs between the outer and inner walls. The partition walls includes a plurality of openings for fluid communication between adjacent air compartments. The pneumatic structure has specific dimensions defined as follows. 1.20 ~ b/a ~ 1.35 1.10 ~ d/c ~ 1.35 0.2 ~ a/c ~ 0.5 where a : the maximum opening width of the pneumatic structure; b : the total width of the pneumatic structure; c : the effective height (between ground and the maximum height of the inner wall; and d : the total height (between ground and the maximum height of the outer wall.

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