Q3. Figure Q3 shows a continuous beam ADBC with a hinge.A3 m3 m4 m4 mFigure Q3i. Draw the Influence lines for the followinga). Vertical Reaction at Ab). Bending Moment at Bc). Bending moment at mid span BCВС.ii. If following loads are moving on the beam, find the maximum Bending Moment at midwhenspana). Two concentrated loads of 5 kN each act at 2 m apart.b). A Uniformly distributed load of 2 kN /m and 2 m in length covers the beam.

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Q3. Figure Q3 shows a continuous beam ADBC with a hinge. B 3 m 3 m 4 m 4 m Figure Q3 i. Draw the Influence lines for the following a). Vertical Reaction at A b). Bending Moment at B c). Bending moment at mid span BC

Q3. Figure Q3 shows a continuous beam ADBC with a hinge. B 3 m 3 m 4 m 4 m Figure Q3 i. Draw the Influence lines for the following a). Vertical Reaction at A b). Bending Moment at B c). Bending moment at mid span BC

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

Q3. Figure Q3 shows a continuous beam ADBC with a hinge.
A
3 m
3 m
4 m
4 m
Figure Q3
i. Draw the Influence lines for the following
a). Vertical Reaction at A
b). Bending Moment at B
c). Bending moment at mid span BC
ВС.
ii. If following loads are moving on the beam, find the maximum Bending Moment at mid
when
span
a). Two concentrated loads of 5 kN each act at 2 m apart.
b). A Uniformly distributed load of 2 kN /m and 2 m in length covers the beam.

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