30 PROJECT REPORT: TRANSPORT FACILITIES & PUBLIC REALM
stacked levels provide the typical terminal functions of a modern airport, and five piers extend to the apron, and surrounding taxiways beyond. Three of the piers have aircraft stands on both sides, the remaining two – those closest to the main entrance which faces a major road, have stands only on their rear sides. A further covered ‘leg’ extends northwards landside of the hub, providing circulation to the car park, rail station and a landscaped public realm on the other side of the major road abutting the airport’s frontage.
Covering the entire structure is a vaulted ‘shell-action’ roof with the long sweeping curves and flowing organic shapes that are a hallmark of ZHA projects. Inside, huge sculptural columns (eight in
total, with six arranged in a circle and two closer to the entrance) hold up the space frame structure and bring natural light in, thanks to skylights forming the roof of their hollow, C-shaped forms. These are complemented by linear skylights running from the central dome along the piers, augmenting the daylighting levels and providing an intuitive, simple aid to navigation throughout the building, guiding passengers to and from the central courtyard.
Intended to echo traditional Chinese architecture - which often has
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interconnected spaces organised around a central courtyard – the terminal’s design offers generous public spaces created by the roof’s huge structural spans – up to 100 metres – providing a high degree of flexibility for any future internal reconfiguration. Furthermore, by separating and stacking each subset of the airport’s functions vertically – with departures, international and domestic arrivals each placed on their own floor – convenience for passengers and flexibility in operations has been maximised. In addition, the overall central processor footprint has been kept as compact as possible as a result. Thanks to this design, as well as the integration of a transportation hub in the basement levels, Beijing Daxing has reportedly saved 1.6 million hours for nearly 30 million passengers every year since opening, compared with previous provision.
The tale grew in the telling Taking things back to the very beginning, however, to explain how the concept became reality Cristiano Ceccato uses the adage, “the tale grew in the telling.” The spark of the project was first ignited through the exponential growth of aircraft usage in China, he says, particularly around Beijing.
ADF FEBRUARY 2021
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