From: Analysis of Short-Term Prestress Losses in Post-tensioned Structures Using Smart Strands
Structure | Area of gross section (mm2) [1] | Duct | Area of net section (mm2) [3] = [1]-[2] | Ratio (%) [3]/[1] × 100 | ||
---|---|---|---|---|---|---|
Outer diameter | Number | Total area (mm2) [2] | ||||
Full-scale specimen | 1,200,000 | 89 | 3 | 18,663 | 1,181,337 | 98.4 |
Bridge A | 1,157,000 | 106 | 5 | 44,124 | 1,112,876 | 96.2 |
Bridge B | 966,000 | 89 a | 2 | 50,745 | 915,255 | 94.7 |
79 a | 4 | |||||
69 b | 5 |