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Arch structures and especially steel arch structures are a common sight in the US. Nowadays they are mostly used in agriculture as they are lightweight, easy to erect and cost effective. There are many companies which produce and sell steel arch buildings as prefabricated kits. For a short history see [http://www.ehow.co.uk/info_7754386_arch-types-aluminum-interlocking-buildings.html this website]. | Arch structures and especially steel arch structures are a common sight in the US. Nowadays they are mostly used in agriculture as they are lightweight, easy to erect and cost effective. There are many companies which produce and sell steel arch buildings as prefabricated kits. For a short history see [http://www.ehow.co.uk/info_7754386_arch-types-aluminum-interlocking-buildings.html this website]. | ||
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The arch is structurally easier to construct than the dome and can be used as starting point for more elaborate structures or on its own. Compared to the dome the segments of the arch are experiencing less stress than the bent segments of the dome. | |||
==Semi permanent frame structures== | ==Semi permanent frame structures== |
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