1.1. Lecture-9: Engineering Fundamentals of Moving Earth

Try these first

1. 1.

   What is the first step in earthmoving operations?

   Hint

   Think about preparing the soil for easier handling.

2. 2.

   Name one type of resistance faced when moving equipment.

   Hint

   Consider what affects the wheels as they roll.

3. 3.

   What is a key step in the earthmoving process?

   • Digging
   • Filling
   • Paving

   Hint

   Think about how material is handled and prepared.

4. 4.

   Rolling resistance refers to the force resisting movement on what surface?

   • True
   • False

   Hint

   Consider what affects how tires or tracks move.

5. 5.

   You have a project site with a 60-ton bulldozer and a rolling resistance of 40 kg per ton. Calculate the total tractive effort needed to keep it moving.

   Hint

   Use the same formula discussed in the lesson.

6. 6.

   Discuss the impact of weather conditions on rolling resistance for earthmoving operations.

   Hint

   Consider how rain mud can affect soil compaction and resistance.