Open Access
Table 2
Result of extreme validity.
| Very low input | Very high input |
|---|---|
| Decision Variables: – Number of crane = 1 unit – Number of truck = 1 unit Results: – Total number of unloading = 543 ship/year – Total average unloading time = 774.01 minutes/ship - Average truck’s utility = 100% |
Decision Variables: – Number of crane = 3 unit – Number of truck = 30 unit Results: – Total number of unloading = 1690 ship/year – Total average unloading time = 125.4 minutes/ship – Average truck's utility = 20.96% |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.