Bernau am Chiemsee, Germany
Bernau am Chiemsee, Germany

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Lang W.,Lang Hugger Rampp GmbH Architects | Cremers J.,Hightex GmbH | Beck A.,Stuttgart University of Applied Sciences | Manara J.,Bavarian Center for Applied Energy Research
Life-Cycle and Sustainability of Civil Infrastructure Systems - Proceedings of the 3rd International Symposium on Life-Cycle Civil Engineering, IALCCE 2012 | Year: 2012

The project "membrane structures for the thermal retrofitting of buildings (MESG)" is aimed at the development of new concepts for the use of membranes for retrofitting existing buildings. The goal is to achieve significant energy savings in the area of heating, cooling and lighting energy consumption. The findings of this research project are suited to be applied to new buildings also. As part of this research project, various options and applications were examined, such as the use of membranes as sun-, heat- and glare-protection elements, and/or as elements for generating heat, cold, electricity or for ventilating buildings. In addition to improving the thermal properties of membranes, this project also looks into the options of using additional technologies and systems to reduce thermal losses and to maximize passive solar gains through the use of suitable materials, coatings and components.

Hend M.I.,Polytechnic of Milan | Alessandra Z.,Polytechnic of Milan | Jan C.,Hightex GmbH
Textile Composites and Inflatable Structures VI - Proceedings of the 6th International Conference on Textile Composites and Inflatable Structures, Structures Membranes 2013 | Year: 2013

Although the potentials of integrating thin-film Photovoltaic into buildings make it the recommended technology not only for traditional architecture but also for applications where envelopes are characterized by free morphologies such as membrane structures, integrating flexible Photovoltaic technology into architectural fabrics are still facing critical research questions related to the structural behavior of the integrated system under different loading conditions, the feasibility of their application for the wide varieties of membrane forms, the impact of environmental aspects on integrated elements and the know-how of incorporating PV system into the design and engineering phases of membrane projects. The paper investigates the impact of integrating flexible PV modules into PTFE/Glass hypar structures through a multi-layer attachment system developed by an US company. The system is incorporated in the form finding process of four different hypar form-ratios exploring all problematic aspects and then numerically analyzed for determination of structural behaviour under different loading conditions.

Grunwald G.,Hightex GmbH | Seethaler M.,Hightex GmbH | Cremers J.,Hightex GmbH
Bauingenieur | Year: 2011

Kiev's Nazionalnyj sportywnyj komplex (NSK) «Olimpij-skyj» in Ukraine, elsewhere known as the Olympic Stadium Kiev, will be the location of the European Football Cup 2012's final in Poland and Ukraine. The stadium whose history has started as early as in 1914 will be reconstructed completely for this major sport event. Amongst others, a new roof will be installed. This essay will present and describe this new and innovative roof design in detail. Particular attention is paid to the textile part which consists of fabrics, foils and cables. The loads which have to be applied and the specific geometry lead to the need of large tests in the scale of 1:1., which are essential to choose and specify the right material. Some particular architectural design decisions, mainly the high number of radial segments (80) and the combination of translucent fabric and transparent foils, will result in a unique appearance of the new roof. This will affect the perception of the new stadium significantly.

Due to improved comfort levels and FIFA requirements, most new or rebuilt stadia in the world have their seats covered by a roof. This protection against weathering also significantly influences the indoor light situation. Adequate natural light levels are an important condition for the lawn to grow but also reduce visitor's aggression potential and - of most importance - are the key to high quality television images in connection with a column-free space. Here, membrane materials show their key advantages: very large column-free span width and very even and low-contrast light distribution through highly diffusing translucent textiles and foils. © Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG.

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