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∂a₪iel® asked:


Say I buy a 50 acre island. This island is not big enough for an Airport so instead I build an airport connected to the island out to sea, I want this to be able to take the weight of aircrafts and the metal will obviously be held in place like a long bridge.
I may also want to build more greenland, with tree’s and grass, so I lay some of this metal down, cover a thick layer of compost and plant tree’s and grass seeds.

But what metals strong enough?
The airport will be small, and the shopping centre will be on the acctual land, its just more the runways that will be out at sea. I know the military use boats as run ways for war jets…

Jessie

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Categories : Other - Science

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  1. Bob N

    October 19th, 2009 at 1:58 pm

    Lynn

    I would use concrete pillars down into the bedrock, or floating pontoons.

  2. Cirric

    October 20th, 2009 at 3:54 pm

    Clara

    Hi. Use a helicopter.

  3. billrussell42

    October 20th, 2009 at 6:47 pm

    Claudia

    There is no reason to use metal. Not a good idea, as the metal has to be supported, and by what.

    One of the cities in Japan, don’t remember which, recently built an airport out on the ocean. This was done by land fill mostly.

  4. Jerry Lee

    October 21st, 2009 at 3:09 pm

    Ruby

    Titanium might be really strong, but aluminum would probably cost less. One guy in WWII proposed “Pycrete”, which is a strong combination of sawdust and ice. For warm climates and long-term use, it might need refrigeration, but might still cost less than all the metal.

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