Evaluate all distribution factors and carry-over factors associated with joints B and D, and fixed end moments on elements AB and CD (a) (b) Construct a table and perform the moment distribution calculation for the frame

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Figure Q1 illustrates an avionic system support structure with a uniformly distributed
load between A and B of 12 kN/m and 24 kN/m between C and D. The members are
Q1.
rigidly connected together and are effectively built in at the supported ends A, C and
E. The flexural rigidies of individual beam members are indicated in the figure.
Using the moment distribution method:
Evaluate all distribution factors and carry-over factors associated with joints B
and D, and fixed end moments on elements AB and CD
(a)
(b)
Construct a table and perform the moment distribution calculation for the
frame
Hence determine the end moments on member CD and sketch the bending
moment diagram for this member, indicating the maximum value.
12 kN/m
6EI
2m
2m
4EI
2m
24 kN/m
EI
2EI
1m
Figure Q1
Transcribed Image Text:Figure Q1 illustrates an avionic system support structure with a uniformly distributed load between A and B of 12 kN/m and 24 kN/m between C and D. The members are Q1. rigidly connected together and are effectively built in at the supported ends A, C and E. The flexural rigidies of individual beam members are indicated in the figure. Using the moment distribution method: Evaluate all distribution factors and carry-over factors associated with joints B and D, and fixed end moments on elements AB and CD (a) (b) Construct a table and perform the moment distribution calculation for the frame Hence determine the end moments on member CD and sketch the bending moment diagram for this member, indicating the maximum value. 12 kN/m 6EI 2m 2m 4EI 2m 24 kN/m EI 2EI 1m Figure Q1
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