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A relatively fast way to throw up a semipermeable hyper (hyper parabolic) wall is the most effective remedy for an isolated gap. Expanding Hyper (hyper parabolic) Levee Gap Fillers (EHLGF), patterned on the Hoberman Associates' unfolding structures design concept, provide the largest surface "shade"
in the least volume of compact surface (minimal surface), thereby demanding the least storage and transportation resources.
When used to fill a gap, these EHLGF modules are unfurled like concertina wire and could be barbed to attract more flotsam in watery environs. Their inherent semi-permeability overcomes drag of wind or water, and permits stationary arrays up to fourth order by stacking modules. Unlike brick and mortar, and other non-dynamic gap fillers, EHLGF module may conceivably be refolded and redeployed as requirements evolve with fewer labor and logistic chain effects.
Hoberman Associates
http://www.hoberman...old/Hypar/hypar.htm
Expanding Hypar surface [reensure, Sep 01 2005]
[link]
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My ex-wife is dating her now. |
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This is not going to be strong, and it won't stop much water. Are you planning to use it as a support for some kind of sheeting? |
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I didn't understand your description so I read the link. I didn't understand that either. Must be having a blonde day. |
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If you try to stop much water (using less than reinforced earthworks) you'll watch your break pulled apart. The idea is to allow water to move while ever so gradually closing the gap ... think of how blood clots seal a wound, platelet nets and fibrin strings. |
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Yes, I'm beginning to get this now (after some background reading on quadratic surfaces). Are you planning to use debris for your platelets? |
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Possible. More economical would be a recyclable and uniform filler material like polystyrene peanuts or newspaper. Such things could be more reasonably distributed and sized appropriately. Debris are more suited as backfill, but of course nothing is lost if they are buried and must be forgotten. |
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Nice idea. In the distant future, I suspect beaver dams will be built this way. |
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Nice, [Shz]. I can see it now: beaver saunters up to river, pulls Hoberman tube out of backpack, throws it across the river and sits back while he waits for the logs to collect. |
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Bun for the idea, though - I'm assuming the concept is to collect flotsam like a semi-rigid net until it becomes an effective dam? These can be attached with homing beacons for the aerial bombardment of piles which will pin them securely in place... |
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+ Wow!, good one [reensure]. I was thinking about the possibilities of running steel cable & bolting to plates on either side of the breach (by shielded divers) to accomplish a similar result. |
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I think what you have is easier & might have worked. |
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Nice[+] Best Levee Gap HB idea so far. |
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You wouldn't need a fancy Hoberman, though. Just make it like a giant umbrella without the fabric. |
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