verb (used with object)
(in certain concrete construction) to apply
to (reinforcing strands) before subjecting to a load.
to make (a concrete member) with prestressed reinforcing strands.
) to apply tensile stress to (the steel cables, wires, etc, of a precast concrete part) before the load is applied
Collins English Dictionary - Complete & Unabridged 10th Edition
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Prestress losses in high-strength concrete girders will generally be less than the losses in lower strength concrete girders.
The columns tested had different mild steel to prestress ratios, which affected their re-centering ability.