A Derive the equation for the unit influence line for the reaction at the support B in the continuous beam shown in Fig. P.20.19 and calculate its value if a uniformly distributed load of intensity 20 kN/m covers the span AB; the flexural rigidity of the beam is EI, Also sketch the unit influence lines for the shear force and bending moment at the point D. Ans. 3 4x+- y= 32 Rp = 50 kN. 12
A Derive the equation for the unit influence line for the reaction at the support B in the continuous beam shown in Fig. P.20.19 and calculate its value if a uniformly distributed load of intensity 20 kN/m covers the span AB; the flexural rigidity of the beam is EI, Also sketch the unit influence lines for the shear force and bending moment at the point D. Ans. 3 4x+- y= 32 Rp = 50 kN. 12
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter9: Mass And Mass-related Variables In Engineering
Section: Chapter Questions
Problem 4P
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Question
![A Derive the equation for the unit influence line for the reaction at the support B in the
continuous beam shown in Fig. P.20.19 and calculate its value if a uniformly distributed load
of intensity 20 kN/m covers the span AB; the flexural rigidity of the beam is EI. Also sketch
the unit influence lines for the shear force and bending moment at the point D.
Ans.
3
y=;
32
4x+x – 4)° –
Rg =50 kN.
12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5207847-bd20-4504-978a-6368c70344ea%2Fca450c86-102a-4faf-86e7-cf148fa2f4c4%2Fzzdpqsc_processed.png&w=3840&q=75)
Transcribed Image Text:A Derive the equation for the unit influence line for the reaction at the support B in the
continuous beam shown in Fig. P.20.19 and calculate its value if a uniformly distributed load
of intensity 20 kN/m covers the span AB; the flexural rigidity of the beam is EI. Also sketch
the unit influence lines for the shear force and bending moment at the point D.
Ans.
3
y=;
32
4x+x – 4)° –
Rg =50 kN.
12
![A
D
B
2m
2m
4 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5207847-bd20-4504-978a-6368c70344ea%2Fca450c86-102a-4faf-86e7-cf148fa2f4c4%2Fmrxv9yi_processed.png&w=3840&q=75)
Transcribed Image Text:A
D
B
2m
2m
4 m
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