🎤 Oral Presentation Task: Composite Materials in Civil Engineering Structures

Task Title

“Material Composition and Origin in a Civil Engineering Structure”

Introduction (for students)

In civil engineering, structures such as beams, bridges, and slabs rely on composite materials to achieve strength, durability, and efficiency. Engineers must clearly describe:

what a structure comprises (its components), and
what materials it is made of and made from

This task focuses on applying correct terminology to real civil engineering items.

Task Description

Choose a civil engineering structure or component that uses a composite material and deliver a presentation explaining:

its structural composition,
the materials used, and
how those materials are produced

You must use correct engineering language throughout.

⏱️ Duration

5–8 minutes presentation
2–3 minutes Q&A

📌 Required Structure

1. Structure Introduction

What is the structure?
What is its function?

Example:

“A reinforced concrete beam is a structural element used to support loads in buildings and bridges.”

2. Structural Composition

What components make up the structure?

✅ Required language:

“The structure comprises…”
“It consists of…”

Example:

“The beam comprises concrete and steel reinforcement. It consists of a concrete matrix and embedded steel bars.”

3. Material Description

What materials are used?

✅ Required language:

“The structure is made of…”

Example:

“The beam is made of reinforced concrete.”

4. Material Origin and Processing

How are the materials produced?

✅ Required language:

“The concrete is made from…”

Example:

“Concrete is made from cement, sand, aggregate, and water, while the steel bars are made from iron ore.”

5. Engineering Application

Where and/or how is used?

6. References

Sources

Example Oral Presentation: Material Composition and Origin in a Reinforced Concrete Beam

Introduction

Today I am going to present a reinforced concrete beam, which is a common civil engineering structural element. A beam is used to support loads from slabs, walls, or roofs and transfer them safely to columns or walls. This example is important because a reinforced concrete beam is a composite engineering item: it combines concrete and steel so that the two materials work together.

1. Item Image and Name

Reinforced Concrete Beam

2. Structural Composition

The reinforced concrete beam comprises a concrete body and steel reinforcement.

It consists of concrete, longitudinal steel bars and steel stirrups

The bottom steel bars are placed in the tension zone of the beam, where tensile stresses are highest. The stirrups are placed along the beam to resist shear forces and help hold the main bars in position.