Table 1
Energy consumption scenarios during expressway construction phase.
| Scenario sets | Energy consumption scenarios | Energy consumption facilities/projects |
|---|---|---|
| Expressway trunk lines | Road base engineering | Drainage engineering, road base earth-rock engineering, soft foundation treatment. |
| Road surface engineering | Pavement structure and subgrade, pavement surface layer, pavement accessory engineering. | |
| Road intersection engineering, bridge and culvert engineering | Excavation, island construction, cofferdam installation, sinking wells, piling, grouting, masonry engineering, arch keystone, steel structure engineering. | |
| Traffic engineering and ancillary facilities engineering | Safety facilities and signage, communication system installation, power supply system installation, lighting system installation, optical cable and cable installation, grounding engineering, green engineering. | |
| Temporary engineering | Temporary access road, temporary bridge, dock, building construction, power line construction and demolition, communication line construction and demolition, water supply pipeline construction and demolition, pre-acceptance maintenance. | |
| Tunnels | Tunnel engineering | Tunnel body engineering, tunnel door engineering, auxiliary tunnel engineering, facility installation. |
| Service areas | Vehicle service facilities engineering | Parking lot construction, gas station construction, charging pile installation, vehicle access road construction, repair shop construction. |
| Personnel service facilities engineering | Toilet, canteen, restaurant, shop, hotel, lounge, and medical station construction, pedestrian plaza and walkway construction, other facility construction | |
| Management facilities engineering | Monitoring room, communication equipment room, management office, staff dormitory construction. | |
| Auxiliary facilities engineering | Electrical room construction, garbage classification facility construction, pumping station and other auxiliary room construction, sewage treatment facility construction. | |
| Emergency facilities engineering | Emergency rescue site construction toll station. | |
| Toll stations | Toll area construction | Toll booth, toll island, and toll canopy construction. |
| Toll plaza construction | Widening of roads before and after the toll station. | |
| Management building construction | Office, staff dormitory, and monitoring room construction. | |
| Auxiliary facilities construction | Garage and kitchen construction, and water, electricity, and gas facility installation. |
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