Question #15 The structure shown below has three W-shape members - two columns and one girder. Each of these members is oriented such that bending about the strong axis is in the plane of the frame. The frame is braced in the direction perpendicular to the plane of the frame as shown (the braces lines directly behind line ABC). The effective length (KL)x for the Column AB (W12x65) is equal to: O 40 ft O 15 ft O 20 ft + O 10 ft W lox33 B 59x21M W 21x 55 25 ft D Pin (bending about the strong axis is in the plane of the frame) Roller SEXOIM S9XZIM toaxxtarota+ Perpendicular to the plane of the frame (Weak Axis)
Question #15 The structure shown below has three W-shape members - two columns and one girder. Each of these members is oriented such that bending about the strong axis is in the plane of the frame. The frame is braced in the direction perpendicular to the plane of the frame as shown (the braces lines directly behind line ABC). The effective length (KL)x for the Column AB (W12x65) is equal to: O 40 ft O 15 ft O 20 ft + O 10 ft W lox33 B 59x21M W 21x 55 25 ft D Pin (bending about the strong axis is in the plane of the frame) Roller SEXOIM S9XZIM toaxxtarota+ Perpendicular to the plane of the frame (Weak Axis)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Answer should be 40 ft please explain so I can understand
Transcribed Image Text:Question #15
The structure shown below has three W-shape members - two columns and
one girder. Each of these members is oriented such that bending about the
strong axis is in the plane of the frame. The frame is braced in the direction
perpendicular to the plane of the frame as shown (the braces lines directly
behind line ABC).
The effective length (KL)x for the Column AB (W12x65) is equal to:
Pin
W 21x 55 D
B
F
Roller
25 ft
Pin
(bending about the strong axis is in the plane of the frame)
O 40 ft
O 15 ft
O 20 ft
O 10 ft
LO
W lox 33
59x2IM
SEXOIM
S9X21M
+
Perpendicular to
the plane of the frame
(Weak Axis)
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