5.8: For the cantilever beam in Fig. P5.8, determine the maximum upward vertical reaction and the maximum counterclockwisereaction moment at su pport A due to the concentrated live load of 25 kN, a unifomly distributed live

5.8: For the cantilever beam in Fig. P5.8, determine the maximum upward vertical reaction and the maximum counterclockwisereaction moment at su pport A due to the concentrated live load of 25 kN, a unifomly distributed live

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter9: Application Of Influence Lines

Section: Chapter Questions

Problem 2P

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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

5.8: For the cantilever beam in Fig. P5.8, determine the
maximum upward vertical reaction and the maximum
counterclockwise reaction moment at support A due to the
concentrated live load of 25 kN, a unifomly distributed live
loạd of 2 kN/m, anda uniformly distributed dead load of 0.5
kN/m.
20 m
Figure P5.8
N.m)
(Maximum RA = 75 kN; Maximum MA = 1000 kN.m
!!

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