Potential buckled shape if K,L,/r, governs A992 14-0 steel F 14'-0 t. t (b) Select the lightest W section of A992 steel to serve as a main member 28 ft long to carry an axial compression load of 65 kips dead load and 145 kips live load in a braced structure. The member is assumed pinned at the top and bottom and in addition has weak direction support at mid height. The mid- height brace also prevents twisting of the column at the brace location. Use LRFD. Assume hinged top and bottom for x-axis and y-axis bending Assume hinged at mid-height for y-axis bending only Potential buckled shape if K, governs Bracing
Potential buckled shape if K,L,/r, governs A992 14-0 steel F 14'-0 t. t (b) Select the lightest W section of A992 steel to serve as a main member 28 ft long to carry an axial compression load of 65 kips dead load and 145 kips live load in a braced structure. The member is assumed pinned at the top and bottom and in addition has weak direction support at mid height. The mid- height brace also prevents twisting of the column at the brace location. Use LRFD. Assume hinged top and bottom for x-axis and y-axis bending Assume hinged at mid-height for y-axis bending only Potential buckled shape if K, governs Bracing
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Select the lightest W section of A992 steel to serve as a main member 28 ft long to carry an axial compression load of 65 kips dead load and 145 kips live load in a braced structure. The member is assumed pinned at the top and bottom and in addition has weak direction support at mid height. The mid height brace also prevents twisting of the column at the brace location. Use LRFD.
Transcribed Image Text:Potential buckled
shape if
K,L,/r, governs
A992 14-0
steel
F
14'-0
t.
t
(b)
Select the lightest W section of A992 steel
to serve as a main member 28 ft long to
carry an axial compression load of 65 kips
dead load and 145 kips live load in a braced
structure. The member is assumed pinned at
the top and bottom and in addition has weak
direction support at mid height. The mid-
height brace also prevents twisting of the
column at the brace location. Use LRFD.
Assume hinged top and
bottom for x-axis and y-axis
bending
Assume hinged at mid-height
for y-axis bending only
Potential buckled
shape if K, governs
Bracing
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