21-01-2015, 11:19 AM

Strength of Materials (SOM) Full Hand Written Lecture Notes from Reputed Institutions and Faculties. Useful for Civil Engineers , Specially for Candidates Appearing for GATE Exams.

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Content :

SOM

Properties of metals

Stress

1. Engineering stress

2. Actual stress

Strain

1. Engineering strain

2. True strain

TMT ( thermomechanically treated bars)

Ductility

Malleability

Resilience

Modulus of resilience

Toughness

Modulus of toughness

Creep

Factor affecting creep

Examples of creep failure

Tension failure in ductile metals

Hooks law and stress system

Differential forms of strain

Elastic constants

Inter-relation between elastic constants

Application of hooks law

Temperature stress

Impact loading

Shear force and bending moment

Internal joints and internal reaction

Axial force calculation

Shear force calculation

Bending stress distribution in beams

Effect of pure bendings

Result of elastic bending

Moment of resistance

Bending of composite beam

Filtched beam

1. Top and bottom flitched beam

2. Side fliched beam

Shear stress in beam

Assumption

Shear stress in rectangular beams

Shear stress distribution in triangular beams

Shear stress in diamond section

Shear stress distribution in t-beams

Principle stress

Stress elements in loading beam

Stress transformation

Sign convention

1. Analytical method

2. Mohr’s circle method

Use of mohr’s cycle

Strain analysis

Principle stress due to combained bending and twisting

Equivalent moment

Equivalent torque

Theories of failure

Maximum principle stress theory

Limitation

1. Maximum principle strain theory

2. Maximum shear stress theory

3. Maximum strain energy theory

4. Maximum shear strain energy theory

5. Octahendral shear stress theory

Limitation

Deflection of beam

1. Shear force

2. Bending moments

Methods to find slope and deflection

Double integration equation

Effects of con centrated moments

Properties

Conjugate method

Strain energy method

Assumption

Pressure vessels

1. Thin

2. Thick

Hoop’s stress

Longitudinal stress

Radial stresses

1. Longitudinal stresses

2. Hoop’s stresses

3. Strain analysis

Thin spheres

Thin cylinder with spherical ends

Analysis of stresses in thick cylinder

Wire winding on thin cylinder

Effect of wire winding

Effect of fluid pressure

Auto-frettage

Torsion in shafts

Tonsional moment equation

Connection of shaft

1. Series connection

2. Parallel connection

Strain energy stored due to torsion

Power transmitted by shaft

Theory of columns

1. Pedestal

2. Posts

3. Strust

4. Stanchion

5. Boom

Types of equilibrium

1. Stable

2. Unstable

3. Neutral

Eulers theory of failure

Limitation

Rankines theory

Combained loading

Case of hollow circular section

Shear center

Thumb rule

Springs

1. Closed coil

2. Open coil

3. Laminated

4. Spiral

Combination of springs

1. Series

2. Parallel

Biaxial bending in doubly symmetric beam

Neutral axis

Torsional stiffness

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