Course Out Line Mec 257 Fall 09

College: College of Engineering and Technology (CEAT) Program: BSCE, BSME Hours/ Week: 4 Lectures: 48

Total Hours: 48 Total Weeks: 12

Course Number: MEC 257 Course Name: Mechanics of Solids Semester: Fall 2009 Credits: 4.0

Prerequisites: Course Number: MEC 231 Course Name: Basic Mechanics-1 Course Goal:  To understand how bodies respond with applied load  To develop in the engineering student the ability to analyze a given problem in a simple and logical manner and to apply to its solutions a few fundamental and well-understood principles.  The main objective of the study of mechanics of materials is to provide the future engineer with the means of analyzing and designing various machines and load bearing structures. Course Description: Fundamental concepts of stress and strain; Mechanical properties of materials; Stresses and strains in members subjected to tension and compression, shear and temperature changes; Shear force and bending moment diagrams of beams and frames; Flexural and shearing stresses in beams, Shear center, Thin walled pressure containers, Riveted and Welded joints, Torsional stresses, Combined stresses; Helical springs; Deflection of beams; Buckling of columns. Evaluation First Term Exam Mid Term Exam Final Exam Assignment Class Test Class Attendance

20% 20% 35% 05% 10% 10%

Total

100%

Reference Books: 1. 2. 3.

Mechanics of Materials by Ferdinand P. Beer & E. Russell Johnston, JR. Strength of Materials by Andrew Pytel & Ferdinand L. Singer Mechanics of Solids by Egor P. Popov

College of Engineering and Technology (CEAT) Fall Semester- 2009 Program: BSCE, BSME Major: MEC 257 Mechanics of Solids Lecture

Heading of Lecture

Covered Materials

Reference Reading

Lecture 1

Review of statics, Force and Stresses,

Lecture 5

Introduction- Concept of stress Introduction- Concept of stress Introduction- Concept of stress Introduction- Concept of stress Stress and Strain

Stress on oblique plane, Ultimate and Allowable stress, Factor of Safety, Application of stresses to the analysis of simple structure Stress-strain diagram,

Lecture 6

Stress and Strain

Hook’s Law, Poisson’s ratio

Lecture 7

Stress and Strain

Biaxial and Triaxial deformation

Lecture 8

Stress and Strain

Thermal Stress

Lecture 9

Torsion

Torsion formula

Lecture 10

Torsion

Design of transmission shaft

Lecture 11

Torsion

shear flow

Lecture 12

Torsion

helical spring , deflection of spring,

Lecture 13

Shear and Moment in Beam Shear and Moment in Beam

Classification of beam and loading, Shear, Moment Sign convention Shear and Moment diagram

Mechanics of Materials By, P. Beer & E. R .Johnston Strength of Materials by A. Pytel & F. L. Singer Mechanics of Materials By, P. Beer & E. R .Johnston Strength of Materials by A. Pytel & F. L. Singer Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Mechanics of Materials By, P. Beer & E. R .Johnston Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer

Lecture 2 Lecture 3 Lecture 4

Lecture 14 Lecture 15 Lecture 16

Shearing Stress, Bearing Stress, Bearing Stress

Shear and Moment diagram Shear and Moment in Beam

Relations among load, shear, and moment.

Class test/ Assignment

Lecture 17

Stresses in Beam

Flexural formula,

Lecture 18

Stresses in Beam

Flexural formula ,economic section

Lecture 19

Stresses in Beam

Lecture 20

Stresses in Beam

Lecture 21

Beam Deflections

Shearing stress, Relation between Horizontal and Vertical Shear. Shearing stress, Relation between Horizontal and Vertical Shear. Different methods of determining beam deflection,

Lecture 22

Beam Deflections

Double integration Method

Lecture 23

Beam Deflections

Lecture 24

Beam Deflections

Theorem of Area-Moment Method, Moment Diagram by parts. Area-Moment Method

Lecture 25

Combined Stresses

Combined Axial and Flexural Load, ,

Lecture 26

Combined Stresses

Kern of a section

Lecture 27

Combined Stresses

Stress at a point

Lecture 28

Combined Stresses

Lecture 29

Column

Lecture 30

Column

Lecture 31

Column

Mohr’s Circle, Rules for Appling Mohr’s Circle to Combined Stresses Definition of column, Critical load, Euler’s Formula, Effect length of column, Limitations of Euler’s Formula Design of column

Lecture 32

Rivet, Bolted, and Welded Connections Rivet, Bolted, and Welded Connections Rivet, Bolted, and Welded Connections Rivet, Bolted, and Welded Connections

Lecture 32 Lecture 33 Lecture 34 Lecture 35

Types of rivet and bolted joints, Strength of simple lap joint, Strength of complex Butt joints Welded connections Welded connections

Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Strength of Materials by A. Pytel & F. L. Singer Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston Mechanics of Materials By, P. Beer & E. R .Johnston

College of Engineering and Technology (CEAT) Fall Semester- 2009 Program: BSCE, BSME Major: MEC 257 Mechanics of Solids

Effective Date: 2th Sep, 2009 Course Instructors: 1. Dr. Md. Monirul Islam Chair, Dept of Civil Engineering IUBAT—International University of Business Agriculture and Technology Mob: +8801716583558 Room No: 206 Consultation Time: 02:00 pm -04:00 pm everyday in a week except Sunday or Immediately after or before the classes Signature: Date:

2. Touhid Ahamed Faculty, Dept of Civil Engineering IUBAT—International University of Business Agriculture and Technology Mob: +8801815843272 Room No: 220 Consultation Time: 02:00 pm -04:00 pm everyday in a week except Wednesday or Immediately after or before the classes

Signature: Date: