ENGR 220 - Mechanics of Materials

Spring 2004

Bellevue Community College Homepage

COURSE DESCRIPTION: Introduction to the concepts of stress, deformation and strain in elastic materials. Presents the basic relationships between deflection of structural and machine elements under tension, compression, torsion, bending and shear forces

TEXT: Hibbeler, R.C., Mechanics of Materials, 5th Edition

SUPPLIES: engineering paper, calculator (Optional: engineering scale, triangles, compass)

COURSE COVERAGE:
Stress & Strain (Chpt 1 & 2)
Material Properties (Chpt 3)
Axial Loads (4.1-4.7)
Torsional Loads (5.1-5.5,5.8)
Flexure Formula (6.3,6.4,6.6,6.7)
Load, Shear and Moment (6.1,6.2)
Flexure Shear Stress and Flow (7.1-7.5)
Flexural Deflection (12.1-12.3,12.6,12.7)
Combined Loading (Chpt 8)
Stress Tranformation (Chpt 9)
Theories of Failure (10.6,10.7)

COURSE SUPPLEMENTS:
Files and/or handouts.

SCHEDULE NOTE:
There will be no class on:
May 31 (Memorial Day)

CLASS PROCEDURE:
Homework problems will be assigned and collected for grading based on a five point scale:
- 5 pts - Correct solution
- 4 pts - Minor problems
- 3 pts - Conceptural problems
- 2 pts - Attempted solutions
- 1 pt - Problem statement
Full credit for all homework will be 100 points.
Homework is due at the start of the class period.
Late homework will not be accepted

There will be three mid-term exams on:
-April 20
-May 11
-June 1
A comprehensive final exam on:
-June 9, 9:30am-11:20am
Each exam will be worth 100 points.


GRADING:
Grades will be based on the total points earned and distributed using the following criteria:

(95% A)(90% A-)(85% B+)(80% B)(76% B-)(72% C+)(68% C)(64% C-)(60% D+)(56% D)


Instructor: Frank LeeOffice: L200JPhone: 425-564-2856
Office Hours: TTh 4:30pm-5:20pm or by appointment.mailto:flee@bcc.ctc.edu