CIEG 212: Strength of Materials
Syllabus



Class Date Topic Chap/Sec Summary of Lectures (LIVE!)
1 2/9/99 Introduction/Review of Statics -
  • Overview of Mechanics of Materials
  • External loads/ equivalent forces/ centroids
  • Types of support reactions
  • Equations of equilibrium
  • Free body diagrams: internal forces
2 2/11/99 Review of Statics -
  • Free body diagrams:(internal forces and support reactions)
  • Shear and moment diagrams
  • Definition of stress
3 2/16/99 Stress Chapter 1
  • Definition/derivation of stress (3 normal and 3 shear stress)
  • Definition/derivation of normal stress
  • St Venant's Principle
  • Illustrative examples
4 2/18/99 Stress Chapter 1
  • Definition/derivation of shear stress
  • Shear force/shear areas in simple connections
  • Allowable Stress/Factors of Safety
  • Illustrative examples
5 2/23/99 Mechanical Properties of Materials Chapter 3
  • Definition of strain
  • Average normal and shear strain
  • Stress-strain diagrams
6 2/25/99 Mechanical Properties of Materials Chapter 3 Chapter 9
  • Normal stress-strain response of ductile and brittle materials
  • Mechanical property definitions for Young's Moduli, yields stress, ultimate stress, etc.
  • Hookes Law
7 3/2/99 Transformation of Stress Chapter 3 Chapter 9
  • Strain Energy
  • Poisson's ratio
  • Generalized Hookes Law
  • Shear-stress strain response
  • Creep and Fatigue
  • Stress transformations
8 3/4/99 Transformation of Stress Chapter 9
  • Plain stress
  • Stress-transformation equations
  • Maximum principle stresses
  • Maximum in-plane shear stresses
  • Illustrative examples
9 3/9/99 Axial Load Chapter 4
  • Axial load
  • Definition of problem class
  • Deflections in axially loaded members
  • Examples of determinant problems
10 3/11/99 Transformation of Strain Chapter 10
  • Plain strain
  • Plain strain translation equations
  • Principle strain and max inplane shear strain
  • Material property relationships
  • Theories of failure
11 3/16/99 Axial Load Chapter 4
  • Review of axially loaded members
  • Statically indeterminate axially loaded members
  • Thermal strains / stresses
12 3/18/99 Torsion Chapter 5
  • Introduction to torsion / Torsion of shafts
  • Derivation of shear strain
  • Torsion formula
  • Derivation / Definition of polar moment of inertia
  • Absolute maximum shear stress / Torque diagrams
  • Power transmission
  • Example problems
13 3/23/99 Torsion Chapter 5
  • Angle of twist
  • Statically indeterminate torque members
  • Shear flow in thin-walled tubes
  • Stress concentrations
  • Inelastic Torsion
14 3/25/99 EXAM EXAM EXAM
15 4/6/99 Beam Bending Chapter 6
  • General review of beams
  • Axial shear and bending moment diagrams
  • Graphical method for constructing shear and moment diagrams
16 4/8/99 Beam Bending Chapter 6
  • Review of bending deformation of a straight, prismatic, homogeneous beam subjected to pure bending
  • The "flexure formula"
  • Moments of inertia of a cross-section
17 4/13/99 Beam Bending Chapter 6 (sec. 6.4 & Appendix A)
  • Centroids of areas; general equations, "composite" areas, axes of symmetry
  • Moments of inertia of an area (2nd moment of area): Ix, Iy, Iz = J (polar moment of inertia)
18 4/15/99 Beam Bending Chapter 6 (section 6.4)
  • The "flexure formula"
  • Example of beam bending
19 4/20/99 Bending of 'Composite ' Beams Chapter 6, (sec. 6.6-6.7)
  • Composite beams
  • Reinforced concrete beams
20 4/22/99 Transverse Shear Chapter 7 (sec.7.1-7.3)
  • The shear formula
  • Shear stresses in beams
21 4/27/99 Transverse Shear Chapter 7 (sec. 7.3)
  • Review the shear formula and shear stresses in beams
  • Example 7-3
22 4/29/99 Transvere Shear Chapter 7 (sec. 7.4)
  • Shear flow in built-up members
  • Example 7-4
23 5/4/99 Combined Loadings Chapter 4 (sec. 4.3), Chapter 8 (sec. 8.2)
  • Review of principle of superposition (is valid if);
  • 1) The loading must be linearly related to the stress or displacement
  • 2) The loading must not significantly change the original geometry of the member
  • State of stress caused by combined loadings
24 5/6/99 Deflections of Beams and Shafts Chapter 12 (secs. 12.1, 12.2)
  • The elastic curve and how to draw it (sec. 12.1)
  • Displacement and slope by integration (sec. 12.2)
25 5/11/99 Deflections of Beams and Shafts Chapter 12 (sec. 12.2)
  • Examples of slope and displacement by integration (sec. 12.2).
26 5/13/99 Deflections of Beams and Shafts Chapter 12 (sec. 12.2)
  • More examples of slope and displacement using the integration Method (sec. 12.2)
27 5/18/99 Review/Teaching Evaluations Chapter1-10 and 12 -
28 5/20/99 Help Session I 12:30-2:00 PM Room #137, Dupont Hall
29 5/24/99 Help Session II 1:00-3:00 PM Room #137, Dupont Hall
*30* 5/26/99 FINAL EXAM 1:00-3:00 Good Luck :)