5.2. Balancing Scrapers and Pushers

Try these first

1. 1.

   What is the purpose of back-track loading?

   Hint

   Think about the back and forth movement.

2. 2.

   Describe one advantage of chain loading.

   Hint

   Consider how scrapers position themselves.

3. 3.

   Which loading method is considered the slowest?

   • Back-Track
   • Chain
   • Shuttle

   Hint

   Think about the time it takes to return.

4. 4.

   Is shuttle loading commonly used?

   • True
   • False

   Hint

   Consider its operation requirement.

5. 5.

   If a construction site needs to move materials from two different fill areas, which loading method would be ideal and why?

   Hint

   Consider the fill areas available.

6. 6.

   Calculate the optimal number of scrapers to use with a pusher that has a cycle time of 10 minutes, given a scraper cycle time of 50 minutes.

   Hint

   Remember the formula used for balancing equipment!