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Author(s):	Knippers, Jan; Helbig, Thorsten
Title:
Abstract:	Jörg Schlaich setzt sich für eine ganzheitliche Qualität im Ingenieurbau ein. Das Prinzip Leichtbau ist dabei die zentrale Richtschnur seines Entwerfens. Leichtbau ist für ihn nicht Selbstzweck, sondern hat eine soziale, ökologische und kulturelle Bedeutung. Sozial, weil eine feingliedrige Konstruktion eine hohe Wertschöpfung für Planung und Herstellung generiert, ökologisch, weil ein geringer Materialeinsatz Ressourcen spart und kulturell, weil eine dem Kraftfluss folgende Form zeitlosen Gestaltungsprinzipien folgt. Zu seinem Selbstverständnis als kulturell verantwortlicher Ingenieur gehört auch die Verankerung in der Bau- und Konstruktionsgeschichte. Viele seiner Entwürfe knüpfen an Ansätze großer Wegbereiter des Ingenieurbaus an, interpretieren diese aber völlig neu und überführen sie in Konstruktionen höchster Eleganz. Wie werden nun heute die Ansätze von Jörg Schlaich zum Leichtbau aufgegriffen, wie werden sie weiterentwickelt und welche Diskussionen stoßen sie an? Stellvertretend für die vielen Kolleginnen und Kollegen, die ihre prägenden beruflichen Impulse Jörg Schlaich und seinem Umfeld verdanken, möchten wir dies an eigenen Projekten diskutieren. The Lightweight principle and its relevance for the structural design. Jörg Schlaich is fully committed to an integrated and holistic approach of construction engineering. The ‘Lightweight principle’ is the main guideline of his designs. Lightweight construction is not simply practiced for the sake of itself, but it rather possesses a social, ecological and cultural relevance in his work. It is socially representative because slender structures add value to design and construction, ecologically significant as a reduction of material usage saves non-renewable resources, and culturally relevant because a force flow adapted form follows timeless design principles. His considering himself a cultural responsible engineer is deeply rooted in the history of engineering. Many of his design ideas reach back to concepts of great predecessors, but reinterpret them completely anew and transfer them to contemporary constructions of utmost elegance. How are the contributions of Jörg Schlaich to lightweight construction elaborated by others today, which further developments are motivated by them and which discussions do they trigger? As representatives for the many colleagues that received their formative inspiration and stimuli from Jörg Schlaich and his environment, we would like to discuss these questions on the basis of some of our own projects.
Source:	Stahlbau 83 (2014), No. 11
Page/s:	777-783
Language of Publication:	German

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