Presentation for Module One Solid Mechanics
Transcript of Presentation for Module One Solid Mechanics
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Solid mechanics
N.SUBRAMANIAN
[email protected]://mechsuman.blogspot.com
MODULE 1
Tension, Compression, and Shear
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Books recommended
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TEXT BOOKS:
1. Bansal, R.K, A text book of strength ofmaterial, Laxmi Pulication (P) Ltd., 2010.
2. Ramamrutham, S, strength of materials, 14thEdition, Dhanth Rai Publication,2011.
REFERENCES:
1. Popov E.P, Engineering Mechanics of Solids,Prentice-Hall of India, NewDelhi, 1997.
2. Beer F. P. and Johnston R, Mechanics ofMaterials, 3rd Edition, McGraw-Hill Book Co,2002.
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Introduction to Mechanics of Materials
Definition:Mechanics of materials is a branch of applied
mechanics that deals with the behaviour of solid bodiessubjected to various types of loading
Compression Tension (stretched) Bending Torsion
wisted) Shearing
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2001 Brooks/Cole, a division of Thomson Learning, Inc. T homson Learningis a trademark used herein under license.
Fig. 1-1 Structural members subjected to axial loads. (The tow bar
is in tension and landing gear strut is in compression.)
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Fig. 1-2 Prismatic
bar in tension: (a)
free-body diagram of
a segment of the bar,
(b) segment of the bar
before loading, (c)segment of the bar
after loading, and (d)
normal stresses in the
bar.
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Fig. 1-3 Steel eyebar subjected to tensile loadsP
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Fig. 1-4 Uniform stress
distribution in a prismatic
bar: (a) axial forcesP,
and (b) cross section of
the bar.
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Fig. 1-5 Example 1-1.
Hollow aluminum post in
compression.
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Fig. 1-6 Example 1-2.
Steel rod supporting a
weight W.
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Fig. 1-10 Stress-strain diagram for a typical structural steel in
tension (not to scale).
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Fig. 1-11 Necking of a
mild-steel bar in tension.
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Fig. 1-12 Stress-strain diagram for a typical structural steel in
tension (drawn to scale).
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Fig. 1-13 Typical stress-strain diagram for an aluminum alloy.
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Fig. 1-14 Arbitrary yield stress determined by the offset method.
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Fig. 1-15 Stress-strain curves for two kinds of rubber in tension.
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Fig. 1-16 Typical stress-
strain diagram for a brittle
material showing the
proportional limit (point A)and fracture stress (point
B).
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Fig. 1-17 Stress-strain diagram for copper in compression.
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Fig. 1-18 Stress-strain
diagram illustrating
(a) elastic behavior, and(b) partially elastic
behavior.
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2001 Brooks/Cole, a division of Thomson Learning, Inc. T homson Learningis a trademark used herein under license.
Fig. 1-21 Relaxation of stress
in a wire under constant strain.
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Fig. 1-22 Axial elongation and lateral contraction of a prismatic
bar in tension: (a) bar before loading, and (b) bar after loading.
(The deformations of the bar are highly exaggerated.)
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Fig. 1-23 Example
1-3. Steel pipe in
compression.
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Fig. 1-24 Bolted connection in which the bolt is loaded in double
shear.
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Fig. 1-25 Bolted
connection in which the
bolt is loaded in single
shear.
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Fig. 1-26 Failure of a bolt in single shear.
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Fig. 1-27 Small element of material subjected to shear streses.
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Fig. 1-28 Element of material subjected to shear stresses and strains.
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Fig. 1-29 Example 1-4. (a) Pin connection between strut Sand
base plateB. (b) Cross section through the strut S.
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Fig. 1-30 Example 1-5. Punching a hole in a steel plate.
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Fig. 1-31 Example 1-6. Bearing pad in shear.
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Fig. 1-32 Example 1-7. Vertical hanger subjected to a tensile load
P: (a) front view of bolted connection, and (b) side view of
connection.
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Fig. 1-33 Example 1-8. Two-bar trussABCsupporting a sign of
weight W.
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Chapter 1
Problems
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Problem 1.2-1
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Problem 1.2-2
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Problem 1.2-3
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Problem 1.3-2
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Problem 1.3-6
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Problem 1.4-1
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Problem 1.4-2
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Problem 1.5-1