Strength of Materials -1 Notes

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Strength of Materials -1 Notes

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Unit-1

Introduction to Mechanics of Materials,Mechanical Properties of Engineering Materials,Concept of Stress and Strain,Types of Stress,Concept of complementary shear stresses,Existence of Normal and Shear Stresses due to Axial Loading.

Unit-2

Types of beams: According to their support,Types of loading,Shear Force (SF),Bending Moment (BM),Important points for drawing SFD & BMD,Cantilever with Uniformly distributed load,Simply supported beam with eccentric point load,A bar working under bending is generally termed as beam.

Unit-3

Theory of Simple Bending,Section modulus,Theory of simple bending or pure bending,Assumptions for the theory of pure bending,Derivation of the bending equation,Determination of bending stresses,Transverse and Longitudinal Shear Stresses in Beam Sections.

Unit-4

Normal and shear stresses on inclined sections,State of Stress (Compound Stress),Transformation of plane stress,Principal stresses and maximum shear stress,Mohr’s circle for plane stress,Construction of the Mohr’s circle (Plane Stress),The Failure Theories.

Unit-5:

Differential Equation for the Elastic Curve,Evaluation of deflection by double-integration method,Macaulay’s Method / Singularity Functions,Moment-Area Method,Conjugate Beam Method,Double-Integration Method,Macaulay’s Method.

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