# PROPERTIES OF SECTIONS

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## Contents

## PROPERTIES OF SECTIONS

### THEORY

#### Specific Objectives

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

- determine centroids of sections
- derive the expressions for second moment of area for sections

### Content

- Determining centroids of sections
- Expressions:-

-general

-rectangular

-circular

-triangular

### Competences

Ability to:

- Balance the forces on structural frame
- 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:

- calculate the second moment of area of a section
- calculate the section modulus of a section
- calculate the radius of gyration
- 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