7. Select the lightest W section of A36 steel to serve as a main member 30 ft long to carry an axial compression load of 50 kips dead load 110 kips live load in a braced structure as shown in Figure. The member is assumed pinned at top and bottom and in addition has weak direction support mid-height. The mid-height brace also prevents twisting of the column at the brace location. at A36 steel Potential buckled shape if Kr, overa 15'-0 15-0 5 (b) Avume hinged top and bem for z-axis and y-axis brading Assume hinged at mid-height for y-axis bending only Potential buckled shape if K,L/r, gove Bracing ปี
7. Select the lightest W section of A36 steel to serve as a main member 30 ft long to carry an axial compression load of 50 kips dead load 110 kips live load in a braced structure as shown in Figure. The member is assumed pinned at top and bottom and in addition has weak direction support mid-height. The mid-height brace also prevents twisting of the column at the brace location. at A36 steel Potential buckled shape if Kr, overa 15'-0 15-0 5 (b) Avume hinged top and bem for z-axis and y-axis brading Assume hinged at mid-height for y-axis bending only Potential buckled shape if K,L/r, gove Bracing ปี
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:7. Select the lightest W section of A36 steel to serve as a
main member 30 ft long to carry an axial compression load
of 50 kips dead load 110 kips live load in a braced structure
as shown in Figure. The member is assumed pinned at top
and bottom and in addition has weak direction support
mid-height. The mid-height brace also prevents twisting of
the column at the brace location.
at
A36
steel
Potential buckled
shape if
Kr, overa
15'-0
15-0
5
(b)
Avume hinged top and
bem for z-axis and y-axis
brading
Assume hinged at mid-height
for y-axis bending only
Potential buckled
shape if K,L/r, gove
Bracing
ปี
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