11 hrs confidence:   stretched (prestressed)
Explanation:
"sous tension" may be interpreted as "tendu" ou "précontraint"
Prestressed cladding element for the long span saddle-shaped cable roofs was considered. Peculiarity of the cladding element is absence of rigid contour. The load bearing cables of the roof supports prestressed cladding element. The generally woven by the basket weave fabric from the Vectra (LCP) yarns, which is covered by the PoliTetraFluoroEthylene (PTFE) copolymer foil, steel cables and steel pipes were considered as the materials of covered fabric, load-bearing cables and central pillar, correspondingly.
The covered fabric is joined directly with the cables of saddle-shaped roof and the displacements of the cables have significant influence on the prestressing level of cladding element. Influence of the displacements of 50×50 m cable net of saddle-shaped roof on the prestressing level of cladding element was evaluated. The design loads combination includes dead weight, accidental snow load and prestressing. It was shown, that the maximum vertical displacements of prestressed cladding element changes within the limits from 34.80 to 43.27 mm, when the level of prestressing for tensioned fabric and heights of prestressed cladding element changes within the limits from 0.2 to 0.6 from it load bearing capacity and from 0.25 to 1.00 m, correspondingly.
http://versita.metapress.com/content/p7144w66617084qv/
Abstract: A wall slab, particularly for ceilings, consisting of a polygonal frame (1) with a fabric (3) stretched over at least one side thereof, is disclosed. Each side (5) of said frame (1) comprises means (7, 7') for exerting a prestressing force (F) outwards from the inside of said frame (1).
:
REVENDICATIONS 1. Dalle de paroi, notamment de plafond, constituée d'un cadre polygonal (1) sur au moins une face duquel est tendue une toile (3), caractérisée en ce que chaque côté (5) dudit cadre (1) comporte des moyens (7,7') aptes à exercer sur celuici une force de précontrainte (F) dirigée de l'intérieur vers l'extérieur du cadre (1). 2.
http://www.sumobrain.com/patents/wipo/Stretched-fabric-wall-...
Les applications des membranes tendues ont été multipliées depuis des temps éloignés : protection contre les intempéries (tentes nomades, foraines, militaires), asservissement de l'énergie éolienne (marine à voile, aérostats, ailes d'avions). Notre milieu de siècle a vu alors se dessiner les contours d'un changement progressif mais néanmoins radical. Des besoins nouveaux apparaissent : grandes surfaces couvertes et aires de stockage provisoires ou lieux d'expositions et de manifestations culturelles,
:
GRÜNDIG L. and BÄUERLE J., Automated cutting pattern determination and control for prestressed membranes, Textile Composites in Buil. Cons., Part 2, Ed. Pluralis, (1990) pp 109-120.
http://www.lmgc.univ-montp2.fr/CS/Docus/These_BM.pdf
1. Protective roofing for light aircraft comprising a roofing fabric (2) stretched over a tubular steel frame composed of at least five semi-circular struts (11 - 15) connected in an articulated manner at each end by a hinge (3) and which divide the roofing fabric (2) into segments of equal sizes (21-24), characterized in that the struts (11-15) have a semi-circular shape, are connected in an articulated manner about a common rotation axis (102) at common hinges (3) which are each equipped with a torsion spring (104) set coaxially with the axis of rotation (102) of the hinge (3) and attached by the legs (105) to the outer struts (15) in such a way as to pull one of these outer struts (15) and the inner struts (12-14) and segments (21-24) over a range of 0° to 180° with respect to the other outer strut (11), and in that these struts can be swung together by means of at least one cable (4).
:
1. Toiture de protection pour avions légers comprenant une toile tendue sur une armature tubulaire en acier composée d'au moins cinq arceaux semi-circulaires reliés d'une façon pivotante charnière, et qui divisent la toile de toiture en segments de tailles égales, characterisé en ce que les arceaux semi-circulaires (11-15) sont joints sur un axe commun (102) des charnières (3) et que les branches des ressorts (105) sont attachées aux extrémités d'un des arceaux extérieurs (15) de façon basculer cet arceau par la force des ressorts (104) sur un rayon de 0° 180° par rapport arceaux intermédiaires (12-14) et les segments de toile de toiture (21-24) tendus entre eux, et en ce que les arceaux pivotants (11-15) peuvent être repliés vers un côté par un cable (4).
http://www.patsnap.com/patents/view/EP0258181B1.html
| Johannes Gleim
Local time: 21:50
Works in field
Native speaker of: German
PRO pts in category: 8
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| | Notes to answerer
Asker: There were lots of very interesting references here, but given the context I preferred Bourth's suggestion.
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