posttensioning

posttensioning

[pōs′ten·shən·iŋ]
(engineering)
Compressing of cast concrete beams or other structural members to impart the characteristics of prestressed concrete.

posttensioning

A method of prestressing reinforced concrete in which tendons are tensioned after the concrete has hardened.
References in periodicals archive ?
Posttensioning in each girder web that provided the longitudinal strength for the box girder would occur at completion of the girder and as soon as the design concrete strength was reached.
The bridge failed at its midpoint because, before posttensioning, that is the weakest portion of a concrete girder section.
TxDOT found that posttensioning, completed after the panels were installed, generally took just a few hours for each section of pavement.
Aside from demonstrating the efficacy of placing the slabs on grade, the Georgetown project demonstrated the viability of posttensioning the panels together in place.
The contractor completed posttensioning in a few hours the morning following installation of the panels.
Posttensioning also increases durability by minimizing or even eliminating cracking, and ties the individual panels together, promoting load transfer between the panels.