Problem 4 The beam AB is subjected to the uniformly distributed load shown and to two unknown forces P and Q. Knowing that the bending moment is +800 Nm at D and +1300 Nm at E, (a) determine P and Q, (b) draw the shear and bending-moment diagrams for the beam. 20 kN/m Mc P D E 0.3 m 0.3 m 0.3 m 0.3 m B (a) Internal forces (positive shear and positive bending moment)

Problem 4 The beam AB is subjected to the uniformly distributed load shown and to two unknown forces P and Q. Knowing that the bending moment is +800 Nm at D and +1300 Nm at E, (a) determine P and Q, (b) draw the shear and bending-moment diagrams for the beam. 20 kN/m Mc P D E 0.3 m 0.3 m 0.3 m 0.3 m B (a) Internal forces (positive shear and positive bending moment)

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

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

Problem 4
The beam AB is subjected to the uniformly distributed load shown and to two unknown forces P and Q. Knowing
that the bending moment is +800 Nm at D and +1300 Nm at E, (a) determine P and Q, (b) draw the shear and
bending-moment diagrams for the beam.
A
20 kN/m
C
P
Q
1. 1.
D
E
0.3 m 0.3 m 0.3 m 0.3 m
B
un
M'
(a) Internal forces
(positive shear and positive bending moment)

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