# Strength Of Materials- II

Course Code:RT22013

Author:uLektz

University:

Regulation:2013

Categories:Civil

Format : ePUB3 (DRM Protected)

Type :eBook

FREE

Description :Strength Of Materials- II of RT22013 covers the latest syllabus prescribed by JNTU Kakinada for regulation 2013. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT- I PRINCIPAL STRESSES AND STRAINS AND THEORY OF FAILURES

1.1 Introduction – Stresses On An Inclined Section Of a Bar Under Axial Loading

1.2 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.

1.3 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.

###### UNIT – II TORSION OF CIRCULAR SHAFTS AND SPRINGS

2.1 Theory Of Pure Torsion – Derivation Of Torsion Equations: t/j = q/r = Nϕ/l – Assumptions Made In The Theory Of Pure Torsion

2.2 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.

2.3 Springs: Introduction – Types Of Springs-Deflection Of Close And Open Coiled Helical Springs Under Axial Pull And Axial Couple-Springs In Series And Parallel – Carriage Or Leaf Springs.

###### UNIT – III COLUMNS AND STRUTS

3.1 Introduction – Types Of Columns – Short, Medium And Long Columns-Axially Loaded Compression Members – Crushing Load

3.2 Euler’s Theorem For Long Columns- Assumptions-Derivation Of Euler’s Critical Load Formula For Various End Conditions – Equivalent Length Of a Column – Slenderness Ratio – Euler’s Critical Stress – Limitations Of Euler’s Theory

3.3 Rankine – Gordon Formula – Long Columns Subjected To Eccentric Loading – Secant Formula – Empirical Formula-Straight Line Formula – Prof. Perry’s Formula.

###### UNIT – IV DIRECT AND BENDING STRESSES

4.1 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

###### UNIT – V UNSYMETRICAL BENDING

5.1 Introduction – Centroidal Principal Axes Of Section-Graphical Method For Locating Principal Axes- Moments Of Inertia Referred To Any Set Of Rectangular Axes

5.2 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.

###### UNIT – VI ANALYSIS OF PIN-JOINTED PLANE FRAMES

6.1 Determination Of Forces In Members Of Plane, Pin-Jointed, Perfect Trusses By (i) Method Of Joints And (Ii) Method Of Sections. Analysis Of Various Types Of Cantilever And Simply Supported Trusses By Method Of Joints, Method Of Sections.