Posted Apr 7, 2013, 4:56 PM
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Registered User
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Join Date: Jun 2007
Location: Oak Park, Il
Posts: 14,989
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Quote:
Originally Posted by EarlyBuyer
Starting at 17:45 in this October, 2010 video provided by the CTBUH, Jim Loewenberg and Bruce Lake discuss the economics of caissons (among other factors) for buildings taller than 55 stories. They both concur it could possibly be as late as 2020 before a residential tower requiring rock caissons ( which they report cost 10 fold that of bell hardpan caissons) is built.
http://www.ctbuh.org/TallBuildings/V...S/Default.aspx
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Thank you for the quantification.
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Harry C - Urbanize Chicago- My Flickr stream HRC_OakPark
The man who trades freedom for security does not deserve nor will he ever receive either. B Franklin.
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