
The Airshell Prototype
This paper by Alessandro Liuti, Sofia Colabella, and Alberto Pugnale, presents the construction of Airshell, a small timber gridshell prototype erected by employing a pneumatic formwork.
Cooperative robotic fabrication enables the development of new types of spatial structures, provided that assembly sequence and robot path-planning is considered in the design process early on. This paper by Stelian Coros, Stefana Parascho, Thomas Kohlhammer, Fabio Gramazio and Matthias Kohler, presents a design strategy for a lightweight steel structure assembled by two robots.
The developed structure describes a novel typology of spatial structures and consists of steel tubes that form spatial configurations through their three-dimensional aggregation. The bars are joined notch-free through welding and without additional connecting elements.
Besides fabrication-driven constraints, the design process is informed by functional, geometric and structural parameters. The paper presents the development of a novel connection system and the resulting dependencies for the geometric and structural system, as well as a four-step computational design method that allows to explore a large area of the design space of such structures.
Optimisation methods are employed to solve the complex dependencies of the presented structures and find a valid design.
This paper by Alessandro Liuti, Sofia Colabella, and Alberto Pugnale, presents the construction of Airshell, a small timber gridshell prototype erected by employing a pneumatic formwork.
In this paper by Gregory Charles Quinn, Chris J K Williams, and Christoph Gengnagel, a detailed comparison is carried out between established as well as novel erection methods for strained grid shells by means of FE simulations and a 3D-scanned scaled physical model in order to evaluate key performance criteria such as bending stresses during erection and the distance between shell nodes and their spatial target geometry.
In this paper by Frederic Tayeb, Olivier Baverel, Jean-François Caron, Lionel du Peloux, ductility aspects of a light-weight composite gridshell are developed.
In this paper by Julian Lienhard, Holger Alpermann, Christoph Gengnagel and Jan Knippers structures that actively use bending as a self forming process are reviewed.
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