Method and apparatus for removing exudate from a prestress...

Details Method and apparatus for removing exudate from a prestress... Method and apparatus for removing exudate from a prestress...

E - Fixed Constructions

04

F

E04F 21/00 (2006.01) E04G 21/12 (2006.01)

Patent

CA 2081493

A B S T R A C T To eliminate the exudation water formed in a slurry (13) that protects twisted-wire prestress strands (13) inside a vertical covering (3), a bell (9) is placed on an anchor block (7) for the top ends of the strand, a seal (15) is formed inside said bell so that communication between the covering and the bell is possible only via the interstices between the wires in the strands, a point (P) of the covering is connected to a higher supply of slurry (12, 13) via a lateral duct (11), and simultaneously a vacuum is established inside the bell by means of a pump (16).

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