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JNTUK B.TECH R20 2-2 Syllabus For Strength of materials – ii PDF 2022

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JNTUK B.TECH R20 2-2 Syllabus For Strength of materials – ii PDF 2022

Get Complete Lecture Notes for Strength of materials – ii on Cynohub APP

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You will be able to find information about Strength of materials – ii along with its Course Objectives and Course outcomes and also a list of textbook and reference books in this blog.You will get to learn a lot of new stuff and resolve a lot of questions you may have regarding Strength of materials – ii after reading this blog. Strength of materials – ii has 5 units altogether and you will be able to find notes for every unit on the CynoHub app. Strength of materials – ii can be learnt easily as long as you have a well planned study schedule and practice all the previous question papers, which are also available on the CynoHub app.

All of the Topic and subtopics related to Strength of materials – ii are mentioned below in detail. If you are having a hard time understanding Strength of materials – ii or any other Engineering Subject of any semester or year then please watch the video lectures on the official CynoHub app as it has detailed explanations of each and every topic making your engineering experience easy and fun.

Strength of materials – ii Unit One

Principal Stresses and Strains And Theories of Failures

Introduction – Stresses on an inclined section of a bar under axial loading – compound stresses – Normal and tangential stresses on an inclined plane for biaxial stresses – Two perpendicular normal stresses accompanied by a state of simple shear – Mohr’s circle of stresses – Principal stresses and strains – Analytical and graphical solutions.

Theories of Failures: Introduction – Various Theories of failures like Maximum Principal stress theory – Maximum Principal strain theory – Maximum shear stress theory – Maximum strain energy theory – Maximum shear strain energy theory

Strength of materials – ii Unit Two

Torsion of Circular Shafts and Springs

Theory of pure torsion – Derivation of Torsion equations: T/J = q/r = Nϕ/L – Assumptions made in the theory of pure torsion – Torsional moment of resistance – Polar section modulus – Power transmitted by shafts – Combined bending and torsion and end thrust – Design of shafts according to theories of failure.

Springs: Introduction – Types of springs – deflection of close and open coiled helical springs under axial pull and axial couple – springs in series and parallel

Get Complete Lecture Notes for Strength of materials – ii on Cynohub APP

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Strength of materials – ii Unit Three

Columns and Struts

Introduction – Types of columns – Short, medium and long columns – Axially loaded compression members – Crushing load – Euler’s theorem for long columns- assumptions- derivation of Euler’s critical load formulae for various end conditions – Equivalent length of a column – slenderness ratio – Euler’s critical stress – Limitations of Euler’s theory – Rankine – Gordon formula – Long columns subjected to eccentric loading – Secant formula – Empirical formulae – Straight line formula – Prof. Perry’s formula

Strength of materials – ii Unit Four

Direct and Bending Stresses

Stresses under the combined action of direct loading and B.M. Core of a section – determination of stresses in the case of chimneys, retaining walls and dams – conditions for stability – stresses due to direct loading and B.M. about both axis

Strength of materials – ii Unit Five

Unsymmetrical Bending and Shear Centre Un-symmetrical Bending

Introduction – Centroidal principal axes of section – Graphical method for locating principal axes – Moments of inertia referred to any set of rectangular axes – Stresses in beams subjected to unsymmetrical bending – Principal axes

– Resolution of bending moment into two rectangular axes through the centroid – Location of neutral axis Deflection of beams under unsymmetrical bending.

Shear Centre: Introduction Shear center for symmetrical and unsymmetrical sections (channel, I, T and L sections).

Strength of materials – ii Course Objectives

To give concepts of Principal stresses and strains developed in cross section of the beams on the cross section and stresses on any inclined plane. To impart concepts of failures in the material considering different theories

To give concepts of torsion and governing torsion equation, and there by calculate the power transmitted by shafts and springs and design the cross section when subjected to loading using different theories of failures.

To classify columns and calculation of load carrying capacity and to assess stresses due to axial and lateral loads for different edge conditions and to calculate combined effect of direct and bending stresses on different engineering structures.

Introduce the concept of unsymmetrical bending in beams Location of neutral axis Deflection of beams under unsymmetrical bending.

Strength of materials – ii Course Outcomes

Upon successful completion of this course,

The student will be able to understand the basic concepts of Principal stresses developed in a member when it is subjected to stresses along different axes and design the sections.

The student can assess stresses in different engineering applications like shafts, springs, columns and struts subjected to different loading conditions

Strength of materials – ii Text Books

A Textbook of Strength of Materials, by R. K. Rajput, 7e (Mechanics of Solids) SI Units S. Chand & Co, NewDelhi

Strength of materials by R. K. Bansal, Lakshmi Publications.

Strength of materials – ii Reference Books

Mechanics of Materials- by R. C.Hibbler, Pearson publishers

Mechanics of Solids – E P Popov, Prentice Hall.

Strength of Materials by B.S.Basavarajaiah and P. Mahadevappa, 3rd Edition, Universities Press,

Mechanics of Structures Vol – I by H.J.Shah and S.B.Junnarkar, Charotar Publishing House Pvt. Ltd.

Scoring Marks in Strength of materials – ii

Scoring a really good grade in Strength of materials – ii is a difficult task indeed and CynoHub is here to help!. Please watch the video below and find out how to get 1st rank in your B.tech examinations . This video will also inform students on how to score high grades in Strength of materials – ii. There are a lot of reasons for getting a bad score in your Strength of materials – ii exam and this video will help you rectify your mistakes and help you improve your grades.

Information about JNTUK B.Tech R20 Strength of materials – ii was provided in detail in this article. To know more about the syllabus of other Engineering Subjects of JNTUH check out the official CynoHub application. Click below to download the CynoHub application.

Get Complete Lecture Notes for Strength of materials – ii on Cynohub APP

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