5. Earthmoving Equipment Overview

Try these first

1. 1.

   What are the key steps involved in earthmoving operations?

   Hint

   Think about the sequence of activities when relocating earth.

2. 2.

   Name one factor that affects equipment selection.

   Hint

   Consider what might change based on project specifics.

3. 3.

   What does required power refer to?

   • A. Power available from the engine
   • B. Power needed to overcome site resistance
   • C. Power consumed during operation

   Hint

   Think about what the machine must work against.

4. 4.

   True or False: Economic haul distance affects how we choose equipment.

   • True
   • False

   Hint

   Recall the significance of distance in operations.

5. 5.

   A construction site has a gross weight of 45 tons and the rolling resistance is noted as 60 kg per ton. Additionally, the tires are found to be penetrating 5 centimeters into the ground. Calculate the total tractive effort required.

   Hint

   Break the problem into weight calculation and additional resistance.

6. 6.

   Describe how an increase in moisture content in the soil can affect the efficiency of earthmoving operations.

   Hint

   Think about the changes in the soil texture and its impact on machinery.