02 Fakultät Bau- und Umweltingenieurwissenschaften
Permanent URI for this collectionhttps://elib.uni-stuttgart.de/handle/11682/3
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Item Open Access Zur konstruktiven Durchbildung ausschließlich zugbeanspruchter Membranränder(1985) Gropper, Hans; Sobek, WernerÜber Randausbildungen von Membrantragwerken werden theoretische Überlegungen angestellt. Anschließend wird über die Neuentwicklung eines textilen Randelementes berichtet, von dem ein Prototyp in Zusammenarbeit mit einer Weberei verwirklicht werden konnte. Dieser Prototyp wurde unter Einsatz verschiedener Verankerungen getestet. Die Verankerung von Synthesefaserzuggliedern stellt sich dabei als problematisch heraus und wird deshalb näher untersucht.Item Open Access Covering "Les Arènes de Nîmes" with an air-inflated fabric structure(1989) Bergermann, Rudolf; Sobek, WernerTogether with a team of architects, we started to develop and to design a structure which should cover the central part of the arena. The design yielded to a lightweight structure which is able to be installed within 21 days, designed to withstand a windspeed of 200 km/h and able to carry a snow load of 360 to - more than twice the deadweight of the new building. The air inflated cushion consists out of PVC-coated PETP-fabric membranes.Item Open Access Concrete shells constructed on pneumatic formwork(1986) Sobek, WernerIn recent decades the number of concrete shells constructed has continued to decline. This is in large measure attributable to the high costs of the formwork: construction of the spatially curved formwork surface using conventional formwork methods is labor-intensive and rates of pay in industrialized countries are high. Consequently, the design solutions based on conventional methods are not economically justifiable. There was, therefore, reason enough to make concrete shell construction competitive again by developing less costly formwork methods. One such method is pneumatically supported formwork.