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L-Shape Concrete Public Seats

Crushed building waste is recycled into an aggregate component of concrete, then prefabricated into L-shaped concrete seating units. This reduces production cost, while allowing the seats to be easily transported and conveniently assembled.


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After crushing building waste into pieces, the pieces can be treated and turned into an aggregate component for casting concrete. In this way, L-shaped concrete units can be prefabricated, and this works as a sustainable method of making public seats. 

Due to the 60-millimetre difference of its two sides, the structure is well proportioned. In addition, the proper connection of both sides displays a sense of rhythm. Moreover, by positioning holes at equidistance (180 millimetres) on the structure, it can be joined as a whole by using long screw bolts.

The L-shape structure allows the seat arrangement to be modified and reformed to produce various combinations that can adapt to different spatial specifications and satisfy different usage demands. Finally, based on the series of modification and reformation, such concrete public seats become much easier to integrate into modern styles of construction.


Product Design R&D Center of  Southwest Jiao Tong University , China

Faculty Advisor: Prof. Huang Tao

Design: Han Nuan, Huang Dengjun, Qiu Liwei, Shi Xiaoming, Zhu Mingming, Xu Maohuang, Liu Guona

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