Portuguese term (edited): ELEVAÇÕES

Elevação -
9. Arq. Representação em desenho de uma edificação vista de frente.
(Caldas Aulete on line)

Elevation = an orthographic projection of an object or structure on a vertical picture plane parallel to one of its sides, usually drawn to scale.

(Visual Dic of Architecture - F. D.K. Ching)
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´tou procurando os balanços...
HTH,
beatriz souza


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Note added at 14 hrs (2010-06-09 02:37:12 GMT)
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Talvez os desenhos do seu texto sejam "elevações e vigas em balanço" - "elevations and cantilever beams".

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Balanço -
12. Arq. Projeção de uma estrutura pesada para além das paredes externas ou pilastras de um edifício.
(Caldas Aulete on-line)

Cantilever Beam: A beam supported only at one end with the other end free to move.
http://metal-buildings.us/help/terminology.php
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CANTILEVER BRIDGE= bridge built using cantilevers: structures that project horizontally into space, supported on only one end. For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete. A simple cantilever span is formed by two cantilever arms extending from opposite sides of the obstacle to be crossed, meeting at the center. In a common variant, the suspended span, the cantilever arms do not meet in the center; instead, they support a central truss bridge which rests on the ends of the cantilever arms.

http://www.dot.state.oh.us/DIVISIONS/COMMUNICATIONS/BRIDGING...
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Cantilever - n. 1. A projecting structure, such as a beam, that is supported at one end and carries a load at the other end or along its length. 2. A member, such as a beam, that projects beyond a fulcrum and is supported by a balancing member or a downward force behind the fulcrum. 3. A bracket or block supporting a balcony or cornice.
v.tr. To construct as or in the manner of a cantilever.
v.intr. To extend outward as or in the manner of a cantilever.
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HTH.
beatriz souza