Download Biaxial Testing for Fabrics and Foils: Optimizing Devices by Paolo Beccarelli PDF

By Paolo Beccarelli

This e-book deals a well-structured, serious evaluate of present layout perform for tensioned membrane buildings, together with an in depth research of the experimental info required and significant matters on the subject of the inability of a collection of layout codes and checking out tactics. The technical necessities for biaxial trying out apparatus are analyzed intimately, and elements that must be thought of whilst constructing biaxial trying out techniques are emphasised. The research is supported through the result of a round-robin workout evaluating biaxial trying out machines that concerned 4 of the most study laboratories within the box. The biaxial trying out units and methods almost immediately utilized in Europe are generally mentioned, and knowledge is supplied at the layout and implementation of a biaxial trying out rig for architectural materials at Politecnico di Milano, which represents a benchmark within the box. the importance of the latest advancements in biaxial trying out can also be explored.

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Additional info for Biaxial Testing for Fabrics and Foils: Optimizing Devices and Procedures

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In: Huntington CG (ed) Tensile fabric structures. Design, Analysis, and Construction, American Society of Civil Engineers, Reston, pp 94–103 Lewis WJ (2003) Tension structures: form and behavior. Thomas Telford, London MSAJ/M-03:2003 Test methods for membrane materials (coated fabrics)—qualities and performances. Membrane Structures Association of Japan Pedretti M, Luscher R (2007) Tensairity-patent—eine pneumatische tenso-struktur. Stahlbau 76(5):314–319 Piggott MR (1995) The effect of fibre waviness on the mechanical properties of unidirectional fibre composites: a review.

Whereas, the initial shape of membrane structures is the result of a preliminary structural analysis called “form-finding”, which assures that each point of the surface is in equilibrium, given the tension ratio in warp and fill direction and the boundary conditions. The architectural and the structural idea should converge to a solution which is both aesthetically pleasing and structurally efficient and feasible. The design process cannot leave out of consideration the issues related to the material chosen, the manufacturing and the erection.

In addition, the growing demand for reducing the heating\cooling costs has recently increased the demand for open mesh coated fabrics which are able to modulate the amount of radiation reflected, absorbed and transmitted through different weaving patterns and coatings. 2 Pneumatic Structures The term pneumatic structures includes all the lightweight structures in which the load bearing capacity is achieved by means of air under pressure. They are mainly subdivided into two categories: the buildings characterised by a single layer, stabilised by a slight difference in pressure between the inside and the outside of the structures, and the building envelopes stabilised by air under pressure enclosed between two or more membrane layers.

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