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Post Tension Duct (Pre-stressed metal corrugated pipe)

Product name:

Post Tension Duct (Pre-stressed metal corrugated pipe)

Product description

Pre-stressed corrugated pipeis made of concave and convex ripple steel band, making preformed hole in components of post tensioning pre-stressed concrete structure. 

Corrugated pipe is embedded in steel bar in the bridge steel banding process, the purpose is to reserve space for wear steel strand when pouring concrete, so as to facilitate the later steel strand and tension, due to corrugated pipe with corrugation, and better concrete combination, a very good combination between steel strand, cement paste, beam plate after the condensation of steel strand tension grouting, so as to ensure uniform distribution of tensile stress and stress loss. 



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