Papers
Digital Design And Fabrication Of A 3D Concrete Printed Funicular Spatial Structure
Hao Wu College of Architecture and Urban Planning, Tongji University
Ziyan Li School of Architecture and Urban Design, RMIT University
Xinjie Zhou College of Architecture and Urban Planning, Tongji University
Xinyu Wu School of Architecture and Urban Design, RMIT University
Dingwen Bao School of Architecture and Urban Design, RMIT University
Philip F. Yuan* College of Architecture and Urban Planning, Tongji University
In recent years, additive manufacturing (AM) and 3D concrete printing technologies have been increasingly used in the field of construction engineering. Several 3D concrete printing bridges were built with post-tensioning technology. However, the current post-tensioned 3D concrete printing projects are mostly in a single direction of force. There are fewer cases of concrete printing funicular spatial structures, and most funicular spatial structures are currently manufactured by casting-in-place in formwork. This paper presents a case of manufacturing spatial 3D concrete printed structure using post-tensioned technology with multiple force direction. The design of the non-parallel printing path, the joints between single units, and the post-tensioned steel cable system in the design and research process are discussed. A funicular spatial structure with a range of about 6m*6m*3m is built, and a method of manufacturing funicular spatial structure using 3D concrete printing technology is proposed.
Keywords: 3D Concrete Printing; Robotic Fabrication; Prestressed Concrete; Funicular Spatial Structure; Structural Optimization; Sdg9, Industry, Innovation And Infrastructure; Sdg11, Sustainable Cities And Communities; Sdg13, Climate Action.