Revolving Sail Bridge Kangbashi, Mongolian Architecture, Architect, Ordos governemnt River Crossing Images

Revolving Sail Bridge Mongolia Design

Sustainable Development, Transport, Urban Concept Architecture design by Margot Krasojević Architects

13 Aug 2017

Design: Margot Krasojević Architects

Location: Ordos, Kangbashi, Mongolia

Revolving Sail Bridge

Revolving Sail Bridge

Revolving Sail Bridge

The bridge consists of a main floating section which gives buoyant support to three expanding walkways, and a carbon fiber triple sail which is raised and lowered by the buoyancy rotator. The bridge is a flexible structure that can relocate by sailing along the river to its new position. To do so, it folds into multiple sections that stack into each other.

Revolving Sail Bridge

Revolving Sail Bridge

A hydraulic telescopic secondary structure supports the pedestrian walkway. Expanding and contracting into the main body of the primary structure, its movement depends on where the sailboat bridge is berthed or sailing to. 

Revolving Sail Bridge

Revolving Sail Bridge

The bridge can be moored along the quayside, sailed into any location along the river or permanently positioned using Caisson foundations which are floated and sunk into position, thus stabilising the bridge. Screw-in moorings, along with nine ton anchors, provide further stability to prevent drift. 
 
Revolving Sail Bridge

Revolving Sail Bridge

The bridge’s flexible walkways adapt to different quays and span across the river, expanding and folding accordingly. The hydraulic walkway is supported by the river bank’s landing docks while the main body of the bridge is kept afloat by the sail and its rotator. The walkway’s and the ring frame’s weight distribution prevent capsize. The primary ring frame has eight marine floatation airbags to further stabilise the sail rotation. 

Revolving Sail Bridge

Revolving Sail Bridge

The sails are made of lightweight aluminum frame, clad in a carbon fiber reinforced polymer. They are suspended from a rotating Mobius ballast chamber which is hydraulically operated by a thruster to rotate and fill with water in order to revolve the sail and relocate the bridge.

Revolving Sail Bridge

The rotating Mobius element is made from lightweight aluminium enveloped in stabilizer fins and photovoltaic cells which power the thruster. It consists of five ballast tanks which fill with water and which rotate the sail from horizontal to vertical.

Revolving Sail Bridge

The other four tanks are left filled with air so that the sail remains buoyant when used either as a bridge or sailed to a new position.

Revolving Sail Bridge

An array of cylindrical crossflow turbines skim the water’s surface. Acting as a raft, their buoyancy helps support and stabilise the bridge’s primary structure. 

Revolving Sail Bridge

When the bridge is in use, the sail is lowered and acts as a canopy over a seated area for people to enjoy the views and the platform gardens. The bridge unhinges from the hydraulic triangular section ring frame and rotates into vertical position in order to sail down the river.

Revolving Sail Bridge

Solar panels line the walkway providing energy for the three electric motor generators. The bridge can be towed, sailed or motored into different locations along the Wulanmulun River.

Revolving Sail Bridge

Revolving Sail Bridge – Design Information

Official name of the project: Revolving Solar Sail bridge
Location: Ordos, Kangbashi, Mongolia
Client: Ordos governemnt, Inner Mongolia, China
Architects / Designers: Margot Krasojević
Project manager: Margot Krasojević
Collaborators: Out to tender

Revolving Sail Bridge

Revolving Sail Bridge in Mongolia images / information from Margot Krasojević Architects

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Location: Ordos, Kangbashi, Mongolia

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