From the figure shown, a truss is subjected to loads PI = 15 kN, P2 = 15 kN and P3 = 25 kN at joint C, D and E respectively. Use SI = 3m; S2 = 4 mP₁Properties of diagonal members (2L75 x 75 x 6):Ag = 1858 mm2Fy = 248 MParx = 22.9 mmry = 33.2 mmGa) What is the axial force in kN, in member DI?b) What is the allowable stress in MPa, in member DI?c) Calculate the allowable load in kN, in member DI.H6 @ SiIP₁EBS,CIVIL ENGINEERING-STEEL DESIGN...

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Answered: From the figure shown, a truss is…

From the figure shown, a truss is subjected to loads PI = 15 kN, P2 = 15 kN and P3 = 25 kN at joint C, D and E respectively. Use Sl = 3 m; S2 = 4 m P₁ G H 6 @ S₁ E B ...

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter4: Plane And Space Trusses

Section: Chapter Questions

Problem 32P

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Question

From the figure shown, a truss is subjected to loads PI = 15 kN, P2 = 15 kN and P3 = 25 kN at joint C, D and E respectively. Use SI = 3
m; S2 = 4 m
P₁
Properties of diagonal members (2L75 x 75 x 6):
Ag = 1858 mm2
Fy = 248 MPa
rx = 22.9 mm
ry = 33.2 mm
G
a) What is the axial force in kN, in member DI?
b) What is the allowable stress in MPa, in member DI?
c) Calculate the allowable load in kN, in member DI.
H
6 @ Si
I
P₁
E
B
S,
CIVIL ENGINEERING-
STEEL DESIGN
...

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Step 1: Introduce the problem statement

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Step 2: Determine support reactions

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Step 3: Determine force in member DI

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Step 4: Check for slenderness ratio

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Step 5: Compute allowable stress in member DI

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Step 6: Compute allowable force in member DI

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