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hardened_bubbles [2008-07-21 17:01] – 62.166.51.71 | hardened_bubbles [2008-07-21 17:33] – 62.166.51.71 | ||
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automatically lifting all the necessary construction materials, which were distributed horizontally over a pneumatic form | automatically lifting all the necessary construction materials, which were distributed horizontally over a pneumatic form | ||
anchored to a circular ring beam, from ground level into an hemispherical dome. After the initial ground preparation was finished, | anchored to a circular ring beam, from ground level into an hemispherical dome. After the initial ground preparation was finished, | ||
- | that concrete thin shell structure was built in 60 minutes. http:// | + | that concrete thin shell structure was built in 60 minutes. http:// |
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