Can you recheck the plastic section modules here (Zx)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Can you recheck the plastic section modules here (Zx)

Transcribed Image Text:260mm
C
F
N
180mm
1
3
10mm

Transcribed Image Text:due to symmetry A₁ = A3 = 1800mm²,
A₂=A₁ = 2600mm².
4
K₁=k3= 125mm
K₂=K4 = 0
thus z = 2XA₁ XK₁ + 2X A ₂ X K₂
Zp=2×1800×125+2×2600×0
3
Zp=450 × 10³ mm³
plastic sectional modulus(z)= 450 × 10³
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