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Typical Cableless 'Air Bag' (information only)
The graphic displayed is a typical cableless "air bag", welded fabric seams and an inflation system. Basically, these structures have the same characteristics as the "Hoop Cable Air Bag" and the "Steel Bias Harness Net Air Structures", but without the ability to provide structural integrity.
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The graphic displayed is a typical cableless "air bag", welded fabric seams and an inflation system. Basically, these structures have the same characteristics as the "Hoop Cable Air Bag" and the "Steel Bias Harness Net Air Structures", but without the ability to provide structural integrity by tranferring stress loads carried by the fabric to the grade beam or anchoring system. The fabric of all three structures portrayed is normally 28 oz. vinyl coated polyester material that exhibits long life, strength and resistance to ultraviolet ray degradation. The seams are electronically welded, however, without a cable relief system to distribute the fabric stresses, many structures of this design have collapsed from high winds and very little snow loads. This structure design is typically capable of withstanding only 60-75 mph winds, 5 to 6 lb. per square foot snow loads, and the internal pressure cannot safely be raised beyond 1.5 wsp. You are probably aware of many facilities that have experienced the collapse of a similar structure.