Heinz Isler Zitate

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“…I do not say any form which you construct this way is a good form, or must lead to a good solution; but there are forms which can lead to good solutions, and of course that is only the first link in a whole chain of investigations, and the other links in the investigation, model tests, measuring of the first structure, or a model test in scale 1:1 as we have it out here, these are of primary importance. So the engineer[‘s] problem is remaining all the same, but it is the first link, here, the shaping which has been lacking up to now, and this method can lead to a very nice solution.”

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Heinz Isler

First Congress of the International Association of Shell Structures (now IASS), Madrid (1959) discussion following presentation of his paper paper ‘New Shapes for Shells’, as quoted by John Chilton, "39 etc… : Heinz Isler’s infinite spectrum of new shapes for shells" (2009) Proceedings of the International Association for Shell and Spatial Structures (IASS) Symposium 2009, Valencia, Evolution and Trends in Design, Analysis and Construction of Shell and Spatial Structures, 28 September – 2 October 2009, Universidad Politecnica de Valencia, Spain, eds. Alberto Domingo, Carlos Lazaro.

“[T]heoretical considerations and derivations … are always based on severe simplifications of the assumptions.”

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Heinz Isler

As quoted by Tessa Maurer, Elizabeth O'Grady, Ellen Tung, "Inverse Hanging Membrane: The Naturtheater Grötzingen" http://shells.princeton.edu/Grotz.html ( 2013) Evolution of German Shells Forms: Efficiency of Form, Princeton University Dept. Civil and Environmental Engineering.

“[Architects and engineers] must be willing to subordinate themselves to the emerging logic of the shell’s form as it evolves through experimentation.”

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Heinz Isler

“New Shapes for Shells.” (1960) Bulletin of the International Association for Shell Structures, no.8, Paper C-3, taken from Tessa Maurer, Elizabeth O'Grady, Ellen Tung, "Inverse Hanging Membrane: Naturtheater Grötzingen" http://shells.princeton.edu/Grotz.html ( 2013) Evolution of German Shells Forms: Efficiency of Form, Princeton University Dept. Civil and Environmental Engineering.

“Among others there are three methods for shaping shells: the freely shaped hill, the membrane under pressure and the hanging cloth reversed.”

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Heinz Isler

"New Shapes for Shells" (1961) Bulletin of the International Association for Shell Structures, No. 8: pp. 123-130, as quoted by John Chilton, "39 etc… : Heinz Isler’s infinite spectrum of new shapes for shells" (2009) Proceedings of the International Association for Shell and Spatial Structures (IASS) Symposium 2009, Valencia, Evolution and Trends in Design, Analysis and Construction of Shell and Spatial Structures, 28 September – 2 October 2009, Universidad Politecnica de Valencia, Spain, eds. Alberto Domingo, Carlos Lazaro.