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Re: Un-bonded P-T in bridges

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Thank you for the clarification, and you did NOT disappoint me with the

I am most interested in those cables that are "within the concrete (usually
and running through the slabs concrete)" and I would think that these
are BONDED and GROUTED (ie without grease).


Mark Geoghegan

>The clarification is as follows :
>Always regarding what just I have known, I am not refering to the main
>in cable-stayed bridges, but the cables reinforcing the deck. But we are
>of box type bridges ( poutres-caissons ), usually with a combination of two
>families of cables, a set of prestressed cables within the concrete
>( usually straight and running through the slabs concrete ) and a set of
>external to the webs but inside the box. These last ones, are unbonded and
>grease injection. An example of this arrangement, is found in the ' Pont de
>La Fléche'.
>I'm sorry if I dissapointed you with this outcome !
>Raúl Labbé

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