a) determine the second moment of area about the x - x plane and b) determine the shear stress distribution along the y - y plane for positions A to F, c) plot the shear stress distribution on a suitable graph, labelling the principal values

a) determine the second moment of area about the x - x plane and b) determine the shear stress distribution along the y - y plane for positions A to F, c) plot the shear stress distribution on a suitable graph, labelling the principal values

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

Solid Mechanics

Engineering mechanics is a branch of science that deals with forces causing bulk motion in bodies and the effect that these forces cause on the bodies. Engineering mechanics does not deal with the internal changes that occur on account of these external forces. The internal effects in a body or a material under the action of external forces are studied in a new branch of science called solid mechanics, the strength of materials, or the mechanical behavior of engineering materials.

Question

Q .A beam has a
force of 25kN through the shear centre. For the system:
a) determine the second moment of area about the x - x plane and
b) determine the shear stress distribution along the y - y plane for positions A to F,
c) plot the shear stress distribution on a suitable graph, labelling the principal values
cross-section as shown in Figure Q. The beam is subjected to a vertical shearing
Centre of Gravity
X
y
30 mm
180 mm
y
A
B
-C.-.
-E-
10mm
x
5mm
Figure Q: Beam cross-section
30 mm
10 mm

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