Wenming East Tunnel Entrances, Hainan Building Development, New Chinese Design Images

Wenming East Tunnel Entrances in Haikou

28 Jan 2021

Wenming East Tunnel Entrances

Design: Sun Dayong & Wan Shuyan (Co-founders, Penda China)

Location: Jiangdong New District, Haikou, Hainan Province, China

Wenming East Tunnel Entrances Haikou

With the Wenming East Tunnel Entrances Penda China defines curvilinear grace with a madeleine-shaped canopy portal, integrating the entrance, threshold and transition zones into a unified whole.

Wenming East Tunnel Entrances Haikou

Haikou Wenming East Road Tunnel is 4380m at its full length (2720m for the underground 6-lane dual carriageway) with a maximum depth of over 23m. It is the first tunnel to be constructed underneath the Nandu River; vehicles traveling within the tunnel may drive at a maximum speed of 60km/h on the motorway, with a reduced speed limit of 40km/h at road junctions.

Wenming East Tunnel Entrances Haikou Wenming East Tunnel Entrances Haikou

In 2020, PRC’s central government set out a Masterplan to get the ball rolling in supporting the construction of Hainan Free Trade Port (Hainan FTP) , which has been designated to be a hub port under the policy of The Belt and Road Initiative (BRI, 一带一路) .

Wenming East Tunnel Entrances Haikou

Thus far, Hainan Province has quickly and seamlessly integrated into the special economic zone (SEZ) of Mainland China, and its free trade port is now on par with those of Hong Kong and Singapore. Transportation is clearly crucial for the proper functioning of a major hub port; accordingly, Jiangdong New District in Haikou City – the capital and most populous city in Hainan – has commissioned an underground passageway, the Wenming East Tunnel.

Wenming East Tunnel Entrances Haikou

The project facilitates the New District’s fast-growing transportation and logistics needs with an elegant design, efficiently connecting Haikou City with Chengmai County and Wenchang City as part of the overall economic integration of the area.

Wenming East Tunnel Entrances Haikou

Penda China was commissioned to design three entrances to the tunnel, one of which is much larger in scale and located on the east side, by the shoreline; the other two are on the west side and much smaller.

Wenming East Tunnel Entrances Haikou

Generally, vehicular tunnel entrances must provide a transition zone in order to allow the human eye time to acclimate to the considerable change in brightness when going into the tunnel. To dispel any danger to potential drivers, Penda China’s design does away with LED light grilles, and instead incorporates a curved madeleine-shaped canopy. This open clamshell shape ushers in natural light, while maintaining a uniformity of luminance at the entrance.

Wenming East Tunnel Entrances Haikou

The entrances are a practice of bionic design, taking elements of marine life as sculptural inspiration, and specifically use undulating white shells as a prototype in homage to their location by the sea.

The canopy is clad in glazed aluminum panels, which have been selected for their exceptional shine and luster. Subtle black lines delineate the outer surface of the canopy in counterpoint to the expanse of curving white panels.

Wenming East Tunnel Entrances Haikou

The underside of the canopy also incorporates the undulating texture, with the white material continued down the side walls to ensure a uniformity of luminance which is pleasing to the eye. The appearance of a fish’s gills has been taken as a motif there, in a continuation of the marine life theme.

Wenming East Tunnel Entrances Haikou

Light travels into the tunnel and over the undulating surface in a rhythmic manner, akin to ripples in still water which gently repeat and gradually subside. The way the stainless steel sheets have been embedded in the granite walls allows the reflected light pattern to continue further, extending the established rhythm.

Wenming East Tunnel Entrances Haikou

Penda China has also drawn creative inspiration from marine bioluminescence, incorporating a multitude of small lights embedded in the lines between cladding panels. This allows the outer shell to emit a glow at night from up top, bringing a hint of romance to the city.

Wenming East Tunnel Entrances Haikou

The three entrance designs vary in size, shape, and location, while all adhering to the same set of design principles, creating a harmony between them and their particular sites. From a bird’s eye point of view, these futuristic landmark entrances stand out from the existing city fabric and provide a tinge of surrealism to Haikou, as envisioned by Penda China.

Wenming East Tunnel Entrances Haikou

As time goes on, who knows what a city will look like 20 years from now? Perhaps these entrances are simply a beautiful vision of the future, as imagined by Penda China.

Wenming East Tunnel Entrances Haikou

Wenming East Tunnel Entrances in Hainan Province – Building Information

Design firm:Penda China

Location: Jiangdong New District, Haikou, Hainan Province, China
Project size: 2720m (East-30*60/West-15*60)
Year: 2020
Principal designers: Sun Dayong & Wan Shuyan
Design team: Penda China
LDI: Shanghai Tunnel Engineering Railway Traffic Design & Research Institute

Wenming East Tunnel Entrances Haikou

Photographer: Xia Zhi

Wenming East Tunnel Entrances, Haikou images / information received 280121

Location: Jiangdong New District, Haikou, Hainan Province, China

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