Architectural Geometry from Research to Practice: The Eiffel Tower Pavilions

In this paper we analyze, discuss, and propose how recent research findings in architectural geometry enable construction aware design, an integrated approach that takes into account construction and manufacturing already during the earliest stages of des

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Abstract. In this paper we analyze, discuss, and propose how recent research findings in architectural geometry enable construction aware design, an integrated approach that takes into account construction and manufacturing already during the earliest stages of design without limiting the designer's expressiveness, We show at hand of the Eiffel Tower Pavilions project, and in-depth comparisons to previous freeform projects, that the presented approach offers direct advantages for the design, detailing, and production, as well as for the performance, e,g, thermal properties, of non-facetted complex geometries in architecture,

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Introduction

Recent advances in computation, production, and design have brought forth the striking trend of architectural freeform structures, Designers and builders venturing into the realm of free form are facing a new level of geometric complexity affecting all stages from design to production, Geometric complexity in the design generates complexity down the entire production chain from the necessity to use more involved software tools and data management, to challenging engineering, construction detailing, manufacturing technology, and logistics, One growingly popular answer by the industry to these new challenges of geometric complexity is specialization: simply speaking, the designer designs and the builder makes it happen, During the design, tools completely decoupled from production are employed, e,g, NURBS surfaces that were invented for different industries and contain no architectural construction information, A form is found, a structure envisioned, and then specialized contractors are hired to realize the design, Questions of realization are often pushed down the production chain and it is not unusual that in the end manufacturers have to figure out the solutions to the final details,

L. Hesselgren et al. (eds.), Advances in Architectural Geometry 2012 © Springer-Verlag/Wien 2013

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A. Schiftner, N. Leduc, N. Baldassini, P.Bompas, M.Eigensatz

Figure 1: Renovation of the Eiffel Tower's first floor. The existing pavilions are replaced by new ones, each of which features a curved glass fa