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Bamboo–Earth Hybrid Pedestrian Bridge

竹土混合行人桥

Robotic 3D-printed earth reinforced with natural bamboo

天然竹材增强的机器人3D打印土结构

Overview

This research explores a hybrid construction system combining robotically 3D-printed earth with natural bamboo reinforcement. Small-diameter bamboo elements are integrated with printed earth components to support fabrication and contribute to the final structural system.

Robotic earth-printing system and customized extrusion setup

Fabrication System

The fabrication setup combines material mixing and pumping with an industrial robotic arm and a customized screw-pump extruder, enabling continuous deposition of the earth-based mixture.

Design-to-fabrication workflow integrating printed earth and bamboo reinforcement
Printed earth prototypes with integrated bamboo elements

Full-scale Prototype

The hybrid system was assembled into a full-scale pedestrian bridge prototype to demonstrate its architectural and fabrication potential.

Bamboo reinforcement and edge structure
Layered texture of the printed earth

Prototype in Use

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