8. Back-Track Loading Method
The chapter discusses various loading methods used in construction, emphasizing back-track loading, chain loading, and shuttle loading, with a focus on their operational efficiencies and cycle times. It highlights the interdependence between scrapers and pushers, detailing the importance of balancing their numbers to minimize waiting times and maximize productivity. Key formulas for calculating cycle times and optimal loading practices for scrapers are also introduced.
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3.2Advantages And Use Cases Of Shuttle Loading
Shuttle loading offers advantages in operational efficiency by reducing...
What we have learnt
- Back-track loading is the slowest method due to the additional return time involved.
- Chain loading is more efficient for long, narrow cutting projects as it minimizes return time.
- Shuttle loading requires fill areas in both directions and allows scrapers to work simultaneously.
Key Concepts
- -- Backtrack Loading
- A method where a pusher detaches after loading a scraper and must return to pick up the next scraper, resulting in longer cycle times.
- -- Chain Loading
- An efficient loading method for long, narrow cuts where scrapers wait near the pusher, avoiding the need for backtracking.
- -- Shuttle Loading
- A loading method suited for operations with fill areas in both directions, allowing scrapers to operate simultaneously.
- -- Cycle Time
- The total time it takes for a machine to complete one loading cycle, including various steps in the operation.
- -- Optimal Loading Time
- The recommended time for loading a scraper to ensure maximum productivity, as per the load growth curve.
- -- Pusher and Scraper Balance
- The ideal ratio of scrapers to pushers needed to minimize waiting time and maximize operational efficiency.
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