4. Comparison of Loading Methods

Try these first

1. 1.

   What is back-track loading?

   Hint

   Think about the process after a scraper is loaded.

2. 2.

   Name one advantage of chain loading.

   Hint

   Consider how the next scraper is positioned.

3. 3.

   Which loading method is considered the slowest?

   • Back-Track Loading
   • Chain Loading
   • Shuttle Loading

   Hint

   Recall which method involves returning to pick up scrapers.

4. 4.

   True or False: Chain loading allows scrapers to wait and reduces idle time.

   • True
   • False

   Hint

   Think about how it changes the workflow compared to back-track loading.

5. 5.

   If you have a construction site with a 1000-meter haul, what loading method would be most efficient and why?

   Hint

   Consider how the length of haul affects efficiency.

6. 6.

   Determine the number of scrapers needed for one pusher to minimize waiting time, if the pusher cycle time is 10 minutes and the scraper loading time is 5 minutes.

   Hint

   Think about how scrapers and pushers overlap in their operations.