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franklyn
International Hazard
Posts: 3026
Registered: 30-5-2006
Location: Da Big Apple
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In view of the precedent of 911 , structures which by their very existence is like
waving a cape at a bull should more so consider defensive measures as those
employed by naval vessels to counter missiles. An exclusion no fly zone
surrounding such buildings would be needed.
C L I C K image for animation
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careysub
International Hazard
Posts: 1339
Registered: 4-8-2014
Location: Coastal Sage Scrub Biome
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The tallest building every demolished in a controlled manner was the Singer Building at 186.57 m in 1969, after standing for 60 years.
Skyscrapers have only been around 130 years thus far, the first was the Home Insurance Building in Chicago, standing a lofty 46 m (10 stories) build in 1885. They were the product of the Second Industrial Revolution:
large scale availability of steel for structures, plus electricity for elevators. The Home Insurance Building was demolished in 1931.
It is very unusual for buildings to last a long time without maintenance/repair. The list of such buildings to last a millenia or more is short. The
Pantheon in Rome is doing well after 1900 years (but it has had some repair work done in the rotunda - though some of that work is of questionable
value).
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Artemus Gordon
Hazard to Others
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The difference is, as pieces wear out they can be replaced. The ESB replaced all of its windows about ten years ago. As long as a building is
economically viable, it can be maintained theoretically forever. I doubt Henry Ford planned for his Model T cars to last 100 years, but a lot of then
have because of careful maintenance and replacement of worn out parts.
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franklyn
International Hazard
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Location: Da Big Apple
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Curious that no one in Sci-Mad mentioned this event
http://www.theguardian.com/science/video/2014/sep/24/india-s...
Most remarkable is the cost of the mission , just $ 73 million.
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aga
Forum Drunkard
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Registered: 25-3-2014
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Rupees ($1,185,835 US)
Made from recycled materials from Dharavi, Mumbai.
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franklyn
International Hazard
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Kaku heads the physics department here at City University ( New York )
http://www.youtube.com/watch?v=e7D3_eGaO5k
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Eddygp
National Hazard
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Location: University of York, UK
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Quote: Originally posted by Paddywhacker  | | High is when you become confused about whether you are inhaling or exhaling and hod your breath until the anoxia makes you panic.
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+How high are you?
-No, officer, it's "Hi. How are you?".
OK, right, to the point. I consider a building as high when its prominence (relative to the other buildings) is significant. I don't think that you
can actually get height into absolute terms: Ben Nevis is relatively high, but if you place it in the Himalayas it will have a similar effect to
defecating in the US Senate.  In fact, I consider a building high in absolute
terms only if observing the building could cause pain to my neck. More or less.
[Edited on 10-11-2014 by Eddygp]
there may be bugs in gfind
[ˌɛdidʒiˈpiː] IPA pronunciation for my Username |
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macckone
Dispenser of practical lab wisdom
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Registered: 1-3-2013
Location: Over a mile high
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How high is high?
Well my house is at 7800 ft
And I visited a 7000 year old dig site that
is about 8800 ft. So high is relative.
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