October 4, 2010

structural delineation

using the reference books and required text book, Building Construction Illustrated by Fancis Ching, in combination with our discuss today, model in rhino framing conditions that would support the gravity loads of your project. for a generic place holder, model column for concrete as 12"x18" (supports roughly 2400 sq.ft) and for steel a 6"x6" steel tube column (also supports 2400 sq.ft).

rules of thumb (from Ching book)
for estimating depth of steel 'W' wide-flange beams>
beams: span/20
girders: span/15
width = 1/3 to 1/2 depth

for estimating depth of concrete beam >
beam: span/16
width: 1/3 to 1/2 depth
beam width should be equal to or greater than width of supporting column

commit to one approach and develop that scheme, include structure and be prepared to design vertical circulation and review codes for Wednesday. email me your late conceptual drafts by end of the day tomorrow.

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