Posted Nov 14, 2019, 4:50 PM
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Registered User
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Join Date: Oct 2014
Location: Long Island City, NY
Posts: 1,129
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Quote:
Originally Posted by gandalf612
Most interesting part of the case study is this bit on the blow-through. Apparently it was VE'd in.
Quote:
The initial concept called for the frustums to
taper from a 90-foot (27.4-meter)-square floor
plate at the widest point to a 70-foot-
(21.3-meter)-square floor plate at the
narrowest; this narrowest floor plate was later
revised to an 81-foot (24.7 meter)-square,
responding to economic demands for more
floor area and less variation in apartment size.
This change, however, had the impact of
increasing wind pressure on the building. In
response, a double-height “blow-through”
floor was introduced at level 83, which allows
wind to pass through the structure at a high
point (see Figure 5). Tuned sloshing dampers
at levels 83, 93, and 94 provide additional
wind-motion accommodation.
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Anyone got the render skills to do a side-by-side?
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