# JNTUH B.TECH R18 2-2 Syllabus For Strength of materials – ii PDF 2022

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

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

#### TORSION OF CIRCULAR SHAFTS & SPRINGS:

TORSION OF CIRCULAR SHAFTS: Theory of pure torsion – Derivation of Torsion equation – Assumptions made in the theory of pure torsion – Polar section modulus – Power transmitted by shafts
Combined bending and torsion – 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.

### Strength of materials – ii Unit Two

#### COLUMNS AND STRUTS & BEAM COLUMNS:

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– Long columns subjected to eccentric loading – Secant formula – Empirical formulae –– Rankine – Gordon formula- Straight line formula – Prof. Perry’s formula.
BEAM COLUMNS: Laterally loaded struts – subjected to uniformly distributed and concentrated loads.

### Strength of materials – ii Unit Three

#### DIRECT AND BENDING STRESSES:

Stresses under the combined action of direct loading and bending moment, core of a section – determination of stresses in the case of retaining walls, chimneys and dams – conditions for stability-Overturning and sliding – stresses due to direct loading and bending moment about both axis.

### Strength of materials – ii Unit Four

#### THIN CYLINDERS & THICK CYLINDERS:

THIN CYLINDERS: Thin seamless cylindrical shells – Derivation of formula for longitudinal and circumferential stresses – hoop, longitudinal and Volumetric strains – changes in dia, and volume of thin cylinders – Thin spherical shells.

THICK CYLINDERS: Introduction – Lame’s theory for thick cylinders – Derivation of Lame’s formulae
distribution of hoop and radial stresses across thickness – design of thick cylinders – compound cylinders – Necessary difference of radii for shrinkage.

### Strength of materials – ii Unit Five

#### UNSYMMETRICAL BENDING & SHEAR CENTRE:

UNSYMMETRICAL BENDING:
Introduction – Centroidal principal axes of section –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.
SHEAR CENTRE: Introduction – Shear centre for symmetrical and unsymmetrical (channel, I, T and L) sections.

### Strength of materials – ii Course Objectives

The objective of this Course is
To understand the nature of stresses developed in simple geometries shafts, springs, columns &cylindrical and spherical shells for various types of simple loads
To calculate the stability and elastic deformation occurring in various simple geometries for different types of loading.
To understand the unsymmetrical bending and shear center importance for equilibrium conditions in a structural member of having different axis of symmetry.

### Strength of materials – ii Course Outcomes

On completion of the course, the student will be able to:
Describe the concepts and principles, understand the theory of elasticity, and perform calculations, relative to the strength of structures and mechanical components in particular to torsion and direct compression;
To evaluate the strains and deformation that will result due to the elastic stresses developed within the materials for simple types of loading
Analyze strength and stability of structural members subjected to Direct, and Direct and Bending stresses;
Understand and evaluate the shear center and unsymmetrical bending.
Frame an idea to design a system, component, or process.

### Strength of materials – ii Text Books

Strength of Materials by R.K Rajput, S. Chand & Company Ltd.
Mechanics of Materials by Dr. B. C Punmia, Dr. Ashok Kumar Jain and Dr. Arun Kumar Jain
Strength of Materials by R. Subramanian, Oxford University Press.

### Strength of materials – ii Reference Books

Mechanics of Materials by R.C. Hibbeler, Pearson Education
Engineering Mechanics of Solids by Popov E.P. Prentice-Hall Ltd
Strength of Materials by T.D.Gunneswara Rao and M.Andal, Cambridge Publishers
Strength of Materials by R. K. Bansal, Lakshmi Publications House Pvt. Ltd.
Fundamentals of Solid Mechanics by M. L. Gambhir, PHI Learning Pvt. Ltd

### Scoring Marks in Strength of materials – ii

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Information about JNTUH B.Tech R18 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.

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