If lateral supports are to be provided, calculate the biggest spacing to be specified so that the nominal moment capacity is equal to the plastic moment capacity of the beam.
If lateral supports are to be provided, calculate the biggest spacing to be specified so that the nominal moment capacity is equal to the plastic moment capacity of the beam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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please help me solve the second question

Transcribed Image Text:SITUATION.
Refer to figure.
Given:
S= 3m
L- 10m
Superimposed Dead Load = 6.0 kPa
Live Load = 4.8 kPa
F
G
Properties of Beam CG:
Section
468 mm x 97 kg/m
Areа, А.
12,324 mm^2
Depth, d
465 mm
Flange width, bf
193 mm
Flange thickness, tf =
19 mm
Web thickness, tw =
11 mm
Moment of Inertia, Ix =
445 x 10°6 mm^4
Moment of Inertia, ly =
23 х 10%6 mm^4
Plastic Section Modulus, Zx = 3250 x 10^3 mm^3
Plastic Section Modulus, Zy = 405 x 1013 mm^3
Yield Strength, Fy = 344 MPa
ITS
50 mm
Considering bending about x - axis
Which of the following gives the maximum bending stress in Beam CG at ultimate loads?
217
В
299
248
D
98

Transcribed Image Text:If lateral supports are to be provided, calculate the biggest spacing to be specified so that the nominal moment capacity is equal to the plastic moment
capacity of the beam.
A
1.0
B
1.5
2.0
D 2.5
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