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Sanxiang Bank Mixed Use Development​

The Sanxiang Bank Development in Changsha China is a new 106,138-square-meter mixed-use commercial/office complex set on the waterfront of Changsha in the Hunan province of south-central China. The challenge of the design is to put an ambitious program of high demands on a very narrow site with strict limitations and height visibility. Each building is based on similar but different curvilinear geometries, a distinctive rooftop and a continuous low podium that weaves through the base of the buildings unifying the entire development.

Location: Changsha, Hunan, China

Client:

Completion Date: Expected completion in 2021

The buildings are to be experienced by their users not only directly on site but should also be visible as a landmark in urban scale from far away. The buildings have to be compelling in multi-dimensional scales and perspectives from close up and from across the river. PEI chose to give each building a unique character in contrast to neighboring buildings which are almost similar rectangular boxes with flat rooftops.

The group of three towers on the south have curvy façades that maximize the exposure to the water side. The positioning and shape of the towers not only offer the best views of the riverfront, but their convex facade and pointed top recall the image of sailboats in the wind and pay respect to the site’s location at the riverfront.

To further enhance the similar character of the three main buildings, the connection of podium and their bases is characterized by façades that open in multi- storied, generous arches that lead the eyes from the ground up into the sky.

The design of the main tower as the headquarters of the Sanxiang Bank is derived from a geometry that represents stability and solidity. It combines a rational, compact and efficient plan with a rotated changing façade as the tower rises to its full height as the dominant building at the northern end of the site.