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
 Stressstrain diagrams

6 
2/25/99 
Mechanical Properties of Materials 
Chapter 3
Chapter 9 
 Normal stressstrain 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
 Shearstress strain response
 Creep and Fatigue
 Stress transformations

8 
3/4/99 
Transformation of Stress 
Chapter 9 
 Plain stress
 Stresstransformation equations
 Maximum principle stresses
 Maximum inplane 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 thinwalled 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 crosssection

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. 6.66.7) 
 Composite beams
 Reinforced concrete beams

20 
4/22/99 
Transverse Shear 
Chapter 7 (sec.7.17.3) 
 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 73

22 
4/29/99 
Transvere Shear 
Chapter 7 (sec. 7.4) 
 Shear flow in builtup members
 Example 74

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 
Chapter110 and 12 
 
28 
5/20/99 
Help Session I 
12:302:00 PM 
Room #137, Dupont Hall 
29 
5/24/99 
Help Session II 
1:003:00 PM 
Room #137, Dupont Hall 
*30* 
5/26/99 
FINAL EXAM 
1:003:00 
Good Luck :) 