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Cantalever

資料來源 : pyDict

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資料來源 : Webster's Revised Unabridged Dictionary (1913)

Cantalever \Can"ta*lev`er\, n. [Cant an external angle + lever a
   supporter of the roof timber of a house.] [Written also
   {cantaliver} and {cantilever}.]
   1. (Arch.) A bracket to support a balcony, a cornice, or the
      like.

   2. (Engin.) A projecting beam, truss, or bridge unsupported
      at the outer end; one which overhangs.

   {Cantalever bridge}, a bridge in which the principle of the
      cantalever is applied. It is usually a trussed bridge,
      composed of two portions reaching out from opposite banks,
      and supported near the middle of their own length on piers
      which they overhang, thus forming cantalevers which meet
      over the space to be spanned or sustain a third portion,
      to complete the connection.
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