Luke Campbell skrev:
> On Apr 8, 8:36 am, Michael Ash <m...@[EMAIL PROTECTED]
> wrote:
>> Charles Talleyrand <kitplan...@[EMAIL PROTECTED]
> wrote:
>>
>> I mentioned a roof because it should scale horizontally to a basically
>> infinite degree, and as a roof it doesn't have to be particularly tall.
>> You'll need sup****ts at frequent intervals, of course, but that's
entirely
>> doable. You may be able to piggyback on buildings and utility poles to
>> some extent if you want to make it cheaper, but with enough money,
roofing
>> a city with glass ought to be entirely feasible with current
technology.
>
> There are some practical issues that come to mind. If the city wants
> to raise the temperature, presumably this is because it is cold. Cold
> often is associated with snow in the winter. Heavy snow loads can
> cave in roofs. The usual method of getting around this - sloping the
> roof - is impractical on the scale of a city. You will need to make
> the roof strong enough to withstand the extra load of overlying snow,
> which will require more than your usual greenhouse roof.
>
> There is also issues of how you deal with rainfall - the city will
> intercept a fair amount of water, where does it all go? Of course,
> this can also be a benefit, as the runoff drains for rainwater could
> go into the municipal water supply assuming the roof were kept fairly
> clean.
>
> Which also leads to dealing with detritus and debris, such as wind
> blown leaves, dust, bird droppings, and the like. You will need
> someone to go up there periodically and clean out the gutters or
> equivalent.
>
> Luke
Alternatively the city may be (re)built far enough underground (BOTE:
7.5 km, but I'm not terribly sure of the sources I get my numbers from.)
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