Research Article
Performance Comparison of Real-Time Yard Crane Dispatching Strategies at Nontransshipment Container Terminals
Table 1
Settings in the simulation experiments.
| | Parameters | Value |
| | Vessel calls per week | 36/24 | | Unloaded conts. per vessel | 600 | | Loaded conts. per vessel | 600 | | Ground slots in the yard | 10080 | | Number of berths | 4 | | Number of QCs per berth | 4 | | Number of YTs per QC | 9 | | Number of YCs per zone | 5 | | Empty truck speed (km/h) | 40 | | Laden truck speed (km/h) | 25 | | YC gantry speed (m/min) | 100 | | Ratio of 20′ to 40′ conts. | 2 : 1 | | Ratio of heavy to empty conts. | 4 : 1 | | Duration of import heavy conts. (d) | Tri (1, 5, 7) | | Duration of import empty conts. (d) | Tri (3, 5, 7) | | Duration of export conts. (d) | Tri (1, 2.6, 4) | | QC handling time (min) | Tri (1.0, 1.5, 2.0) | | YC handling time (min) | Tri (1.2, 2.0, 3.4) | | Berthing time (h) | Tri (0.5, 1.0, 2.0) | | Handling preparation (h) | Tri (0.2, 0.6, 1.0) | | Unberthing preparation (h) | Tri (0.2, 0.6, 1.0) | | Unberthing time (h) | Tri (0.5, 0.75, 1.0) |
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