8-1 Construct the influence lines for reactions and internal forces on designatedsections by using static (or equilibrium) method.(a) Construct the influence lines for reactions FRA and MA at support A andinternalforces Mc and Fo on section C.(b) Construct the influence lines for reactions Ra at support A and Re at support Bandinternal forces Mc, Foc and FRc on section C.ㅏㅏa1P=1bBaaсP=1

Since there are two different sections, as per the policy the first one will be solved. ILD for…

8-1 Construct the influence lines for reactions and internal forces on designated sections by using static (or equilibrium) method. (a) Construct the influence lines for reactions FRA and M₁ at support A and internalforces Mc and Fo on section C.

8-1 Construct the influence lines for reactions and internal forces on designated sections by using static (or equilibrium) method. (a) Construct the influence lines for reactions FRA and M₁ at support A and internalforces Mc and Fo on section C.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Influence Lines

The graphs that show the variation of a function at a specific point on a beam or truss due to a unit load placed at any point along the structure are known as influence lines in engineering. Some common functions that are studied with influence lines are shear, moment, and deflection. In designing beams and trusses, it is important to use influence lines in structures where loads would move along their span such as bridges, crane rails, conveyor belts, floor girders, etc. The influence lines help to study where a load will create the maximum effect for any of the functions.

Question

8-1 Construct the influence lines for reactions and internal forces on designated
sections by using static (or equilibrium) method.
(a) Construct the influence lines for reactions FRA and MA at support A and
internalforces Mc and Fo on section C.
(b) Construct the influence lines for reactions Ra at support A and Re at support B
andinternal forces Mc, Foc and FRc on section C.
ㅏㅏ
a
1
P=1
b
B
a
a
с
P=1

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