Research Article
Complementary Ventilation Design Method for a Highway Twin-Tunnel Based on the Compensation Concept
Table 4
Energy savings in tunnel operation ventilation achieved with the improved method.
| | | length (m) | Total design air
(m3/s) | Design Volume (m3/s) | Interchange volume (m3/s) | Total power (kW) | Energy saving
(%) | Saving cost (thousand dollars) | | uphill | downhill | C. | I. | C. | I. | C. | I. |
| | Dabieshan Tunnel | 2665 (1.47%) | 2720 (-1.47%) | 116.06+772.6 (VI) | 420 | 350 | 240 | 200 | 2040 | 1800 | 11.76 | 140.2 | | +2243 (1.97%) | +2181 (-1.97%) | +420 | +450 | | Lianghekou Tunnel | 1260 (1.95%) | 1262 (-1.95%) | 196.23+595.5 (VI) | 480 | 400 | 380 | 335 | 1200 | 900 | 25 | 175.2 | | +2865 (2.49%) | +2870 (-2.49%) | +480 | +510 |
|
|
Note: “C.” indicates the current method, and “I.” indicates the improved method.
|
