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Foundation costs

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Okiryu

Okiryu

Civil/Environmental
Joined
Sep 13, 2013
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What is the rule of thumb for foundation costs-building costs ratio in the US for a high rise building? Say, column loads of about 20 MN. We are using pile foundations. Something 5% to 10% of the total cost of the building seems reasonable?
 
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How high is up? for a really tall building you might be high... also depends on soils type and if it is a problem soil.

Dik
 
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About 5 to 10 stories. Seismic area but no liquefaction. Soil are not too problematic but piles may go to 35m~40m.
 
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