AR3202 - STRUCTURAL MECHANICS (Syllabus) 2021-regulation Anna University

AR3202 - STRUCTURAL MECHANICS (Syllabus) 2021-regulation Anna University

AR3202

STRUCTURAL MECHANICS

 LTP/SC
3003

OBJECTIVES:
• To give familiarity about structural resolutions and its important in realisation of architectural design concepts
• To give exposure to forces, moments and resolution of forces.
• To give understanding of geometrical properties such as centroid, moment of inertia, etc of sections of different shapes.

UNIT I

FORCE SYSTEM

9
Principles of statics. Forces and their effects. Types of force systems. Resultant of concurrent and parallel forces. Lami’s theorem. Principle of moments. Varignon’s theorem. Principle of equilibrium.

UNIT II

SUPPORTS AND REACTIONS

6
Types of supports and reactions-Bending moment and Shear forces-Determination of reactions for simply supported beams. Relation between bending moment and shear force.


UNIT III

SECTIONAL PROPERTIES

10
Properties of section – Centre of gravity, Moment of Inertia, Section modulus, Radius of gyration for various structural shapes. Theorem of perpendicular axis. Theorem of parallel axis.

UNIT IV

ELASTIC PROPERTIES AND CONSTANTS

12
Elastic properties of solids. Concept of stress and strain. Deformation of axially loaded simple bars. Types of stresses. Concept of axial and volumetric stresses and strains. Elastic constants. Elastic Modulus. Shear Modulus. Bulk Modulus. Poisson’s ratio. Relation between elastic constants.

UNIT V

COMPLEX STRESSES

8
Principal stresses and strain. Numerical and Graphical method. Mohr’s diagram.

TOTAL : 45 PERIODS

OUTCOMES:
• Ability to apply the concepts of action of forces on a body and should be able to apply the equilibrium concepts.
• Understanding the concept of bending moment and shear force of beam.
• Understanding of the basic geometrical properties of sections.
• Knowledge about elastic properties of solids.
• Ability to solve problems of principal stresses and strains using numerical and graphical method.

REQUIRED READING:
• R.K. Bansal, ‘A Text book on Engineering Mechanics’, Lakshmi Publications, Delhi,2008.
• R.K. Bansal, ‘A textbook on Strength of Materials’, Lakshmi Publications, Delhi 2010.
• Paul W. McMullin, 'Jonathan S. Price, ‘Introduction to Structures’, Routledge, 2016.

REFERENCES:
1. P.C. Punmia, ‘Strength of Materials and Theory of Structures; Vol. I’, Lakshmi Publications, Delhi 2018.
2. S. Ramamrutham, ‘Strength of Materials’, Dhanpatrai and Sons, Delhi, 2014.
3. W.A. Nash, ‘Strength of Materials’, Schaums Series, McGraw Hill Book Company,1989.
4. R.K. Rajput, ‘Strength of Materials’, S.K. Kataria and Sons, New Delhi , 2017.
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