Papers by Hubertus Poeppinghaus
Participación ciudadana para el urbanismo del siglo XXI, 2005
Porque las ciudades realmente existentes las construye finalmente el poder y las leemos casi siem... more Porque las ciudades realmente existentes las construye finalmente el poder y las leemos casi siempre sin plantearnos cómo serían de haberlas hecho realmente los ciudadanos" MANUEL VÁZQUEZ MONTALBÁN Entre 2003 hasta 2010 he presidido Veïns en Defensa de la Barcelona Vella, una asociación que ha luchado durante muchos años para abrir una brecha en el planeamiento urbanístico barcelonés exigiendo una participación ciudadana efectiva.
Construction History, 2022
Antoni Gaudí was the first architect in history to use hyperbolic-paraboloid vaults as in his exp... more Antoni Gaudí was the first architect in history to use hyperbolic-paraboloid vaults as in his experimental building of the Colonia Güell church just before the First World War. Since the reproduction of the famous hanging model, of the IF (Institute of Light Weight Structure, Stuttgart) achieved by the team led by Rainer Graefe, Jos Tomlow and Arnold Walz it is now known, that Gaudí preferred making models in order to understand the inner logic of a building structure. The application of ruled surfaces is the common denominator of all the elements including, inclined walls, vaults, pillars and even the decorative details. A number of questions arise from observing the unfinished building: was Gaudí aware that the same geometry is found in any tensioned membrane structure starting from a simple fourpoint-sail? Did he ever design textile membrane structures? This paper attempts to answer these questions and is based on research undertaken on a quantity of unpublished material relating to Gaudi's models and textile structures, including the hanging baldachin model in the cathedral of Palma de Mallorca, and the temporary tent structures at the Sagrada Familia.
Belts have always been an important part of textile light weight structures. They can be folded t... more Belts have always been an important part of textile light weight structures. They can be folded together with the membrane and as a two dimensional element they are capable to transmit forces into the flat surface of the coated textile materials. But the standard belt sold in the market is fabricated with the intention to lift or convey weight. Initial slippage or slack is not important in this field. The standard belt might be pre-stretched or not and is usually not UV-protected. The protected belts are PVC-coated by submersion which leads to a shrinkage during the process of welding. Normally the belt is sewn onto the membrane. The force transmitted depends on the ability of the person in charge and the value of the pre-stretch used for the yarn. Most of the belts in textile constructions are used as flat curved elements in order to reinforce the border of the membranes. Their solicitation functions against the logic of a straight lifting belt: The inner part of the curved belt is...
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Papers by Hubertus Poeppinghaus