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JSS1: BASIC TECHNOLOGY - 2ND TERM

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  1. Building Materials | Week 1
    5 Topics
    |
    1 Quiz
  2. Uses of Building Materials (Concrete) | Week 2
    5 Topics
    |
    1 Quiz
  3. Drawing Instruments & Materials (I) | Week 3
    4 Topics
    |
    1 Quiz
  4. Drawing Instruments & Materials (II) | Week 4
    2 Topics
    |
    1 Quiz
  5. Drawing Instruments & Materials (III) | Week 5
    2 Topics
    |
    1 Quiz
  6. Board Practise (I) & (II) | Week 6 & 7
    4 Topics
    |
    1 Quiz
  7. Title Block | Week 8
    2 Topics
    |
    1 Quiz
  8. Free - Hand Sketch | Week 9
    2 Topics
    |
    1 Quiz



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concrete fire resistant
Concrete is Fire resistant.

1. Durability: Concrete can withstand heat, cold, and chemicals. It hardly deteriorates.

2. Mouldability: This means that concrete can be moulded easily, into whatever shape desired when it is still fresh.

3. Resistance to Chemicals: Concrete with low water content can withstand chemical effects and vice-versa.

4. Resistance to Fire: Some concrete referred to as quart and quartzite are highly resistant to fire.

5. High Compressive Strength: This means that concrete can carry great loads, depending on the aggregate ratio used.

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