(3) ) A 6.0 m long simply supported beam is made of HN450×200×8 X 12, Q345steel. The beam carries on a factor load Pu-350kN. Check the beam capacity assuming that the slab provides lateral support. Section properties of HN400X150X8X13 are shown as follows: d=450mm, b=200mm, t-12mm, t-8mm, r=20mm, Z=1430cm³, S-1300cm³,
(3) ) A 6.0 m long simply supported beam is made of HN450×200×8 X 12, Q345steel. The beam carries on a factor load Pu-350kN. Check the beam capacity assuming that the slab provides lateral support. Section properties of HN400X150X8X13 are shown as follows: d=450mm, b=200mm, t-12mm, t-8mm, r=20mm, Z=1430cm³, S-1300cm³,
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![1. Code requirement for axial tension member:
T ≤OT
a) yielding over full section: -0.9: T-F,A,
b) fracture over net areas: -0.75: T=FA; A = UA;
2. Code requirement for axial compression member:
PSOP
P₁ = AF
2 =
KL
ra
E
A $1.5 F-0.658.F, (a)
A>1.5 F=- -F, (b)
0.877
2²
3.Code requirement for bending member with continues lateral support
M₁ ≤Mn
2<p M₁=Mp
Ap<< M₁ = Mp- (Mp -M₁)-
2,<λ M₁ = M₁
The p, and M, for flange and web are listed as follows:
Cross Section
HII]
Rolled
Rolled
I
Welded
Welded
H
Slendemess
Parameter A
b
20₁
b
21₁
21₁
2-2p
2₁-2p
h
tu
0.38
Ap
/F,
de
0.38 G/F, 0.83 E/CF,-F,)
83 E/(F,-F.) (F,-F.)S,
3.8E/F,
M,
0.38 E/F, 0.95 E/[(F,-F,)k] (F,-F.)S,
F,S,
0.38E/F, 0.95 /E/[(F,-F,)ke] F,S,
5.7 VE/F,
F,S,
Fa
0.69E
2²
0.69E
Az
0.9 Ek,
λ²
0.9Ek,
Lim
Plate Girder,
Sec. G
Note, 0.35 k-4/ /h/t<0.763, F,-69 MPa for rolled shapes, F, -114 MPa for welded shapes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff24d02ba-bb98-4263-8ecb-42c1ac64c463%2Fb893aec2-82e6-4c99-940b-0dbc81847c01%2F7kdj0t7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Code requirement for axial tension member:
T ≤OT
a) yielding over full section: -0.9: T-F,A,
b) fracture over net areas: -0.75: T=FA; A = UA;
2. Code requirement for axial compression member:
PSOP
P₁ = AF
2 =
KL
ra
E
A $1.5 F-0.658.F, (a)
A>1.5 F=- -F, (b)
0.877
2²
3.Code requirement for bending member with continues lateral support
M₁ ≤Mn
2<p M₁=Mp
Ap<< M₁ = Mp- (Mp -M₁)-
2,<λ M₁ = M₁
The p, and M, for flange and web are listed as follows:
Cross Section
HII]
Rolled
Rolled
I
Welded
Welded
H
Slendemess
Parameter A
b
20₁
b
21₁
21₁
2-2p
2₁-2p
h
tu
0.38
Ap
/F,
de
0.38 G/F, 0.83 E/CF,-F,)
83 E/(F,-F.) (F,-F.)S,
3.8E/F,
M,
0.38 E/F, 0.95 E/[(F,-F,)k] (F,-F.)S,
F,S,
0.38E/F, 0.95 /E/[(F,-F,)ke] F,S,
5.7 VE/F,
F,S,
Fa
0.69E
2²
0.69E
Az
0.9 Ek,
λ²
0.9Ek,
Lim
Plate Girder,
Sec. G
Note, 0.35 k-4/ /h/t<0.763, F,-69 MPa for rolled shapes, F, -114 MPa for welded shapes.
Transcribed Image Text:(3)
) A 6.0 m long simply supported beam is made of HN450X200×8
X 12, Q345steel. The beam carries on a factor load Pu-350kN. Check the beam
capacity assuming that the slab provides lateral support.
Section properties of HN400X150×8×13 are shown as follows:
d=450mm, b=200mm, t-12mm, t-8mm, r-20mm, Z=1430cm³, S-1300cm³,
6000mm
HN450×200×8×12
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