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CE 331, Fall 2002 Joist and Frame Design Example 1 /
Design the 2nd Floor framing using steel wide flanges for the joists, girders and columns and steel angles for the x-bracing.
2
1
E CB
joist slab
40’
20’ 15’
girder
2nd Story: Wood FrameApartments
1st Story: Steel Frame (used for parking)
Joist-to-Girder Connections are pin connections
Girder-to-Column Connections are moment connections
Fy = 50 ksi
2nd Floor: • DL = 4” normal wt. concrete slab
+ 15 psf for weight of apartments • LL = 40 psf
Roof: • DL = 18 psf • LL = 20 psf
WL = 15 psf
Elevation of East Side
A
15’
Pl
Elevation
20’
Elevatio
an View
of South
20’
n of North
D
Side
15’
Side
N10’ Typ.
6’
Roof
2nd Floor
Ground
15’
12’
8’
15’
9’
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