1.5.1. Introduction of New Materials

Try these first

1. 1.

   What is cast iron commonly used for?

   Hint

   Think about strong materials in construction.

2. 2.

   Which material replaced lime mortars in construction?

   Hint

   This material is crucial for modern concrete.

3. 3.

   Which material was first extensively used in bridges?

   • Wrought Iron
   • Cast Iron
   • Steel

   Hint

   Think about materials used in the past.

4. 4.

   True or False: Wrought iron is stronger than cast iron.

   • True
   • False

   Hint

   Consider strengths and weaknesses.

5. 5.

   Evaluate the advantages of using steel over wrought iron in modern construction, providing specific structural examples.

   Hint

   Consider height and span as primary factors.

6. 6.

   Discuss the environmental impact of Portland cement production compared to traditional lime mortars, focusing on energy consumption and carbon emissions.

   Hint

   Think about the processes involved in both materials.