Research Article
Road Transport Vehicles for Hauling Uncomminuted Forest Energy Products in Sweden
Table 3
Mean time consumption in minutes per load and tonne (standard deviations in parentheses).
| Activity | Forest energy product | Loose residues | Tree sections | Stumps | Bundles | Transportation mode | Specialized vehicle 1 | Specialized vehicle 1 | Specialized vehicle 2 | Container system vehicle | Specialized vehicle 1 | Specialized vehicle for bundles |
| Loading, min/load | 41.50 (15.19) | 35.20 (7.56) | 51.78 (2.99) | 104.39 (15.51) | 32.78 (26.93) | 79.58 (10.44) | Unloading, min/load | 33.98 (7.34) | 30.12 (5.93) | 42.69 (5.38) | 59.83 (4.49) | 27.96 (4.47) | 61.74 (7.11) | Aggregate, min/load | 75.48 (19.24) | 65.32 (9.52) | 94.47 (5.90) | 164.22 (18.91) | 60.73 (28.68) | 141.32 (14.29) |
| Loading, min/tonne | 2.51 (0.86) | 1.54 (0.51) | 2.74 (0.21) | 6.05 (1.65) | 1.19 (0.94) | 2.35 (0.27) | Unloading, min/tonne | 2.24 (0.99) | 1.45 (1.06) | 2.25 (0.21) | 3.47 (0.84) | 1.02 (0.18) | 1.84 (0.30) | Aggregate, min/tonne | 4.75 (1.63) | 2.99 (1.51) | 5.00 (0.24) | 9.52 (2.43) | 2.21 (1.01) | 4.19 (0.94) |
| Number of observations | 21 | 16 | 7 | 12 | 17 | 10 |
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