PROPERTIES OF SECTIONS

PROPERTIES OF SECTIONS

THEORY

Specific Objectives

By the end of this module sub-unit, the trainee should be able to:

1. determine centroids of sections
2. derive the expressions for second moment of area for sections

Content

• Determining centroids of sections
• Expressions:-

-general

-rectangular

-circular

-triangular

Competences

Ability to:

1. Balance the forces on structural frame
2. Determine the bending moments on a structural members

PRACTICE

Specific Objectives

By the end of the module sub-unit, the trainee should be able to:

1. calculate the second moment of area of a section
2. calculate the section modulus of a section
3. calculate the radius of gyration
4. determine centroids of section by graphical method

Content

• Second moment of area
• Section modulus
• Radius of gyration

Suggested Teaching/Learning Activities

• Lecture
• Discussions
• Demonstration
• Class exercises

Suggested Learning Resources

• Textbooks
• Realia
• Laboratory

Suggested Assessment Methods

• Oral/written tests
• Assignments