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Table 6 Change in elastic shortening loss at mid-span according to sectional area.

From: Analysis of Short-Term Prestress Losses in Post-tensioned Structures Using Smart Strands

Structure Measurement
(kN)
Theory (kN) Ratio (%)
[2]/[1] × 100
Gross section [1] Net section [2]
Full-scale specimen 6.7 3.7 3.8 102.7
Bridge A 16.0 11.0 11.7 106.4
Bridge B 17.5 5.1 6.0 117.6