Table 3 Measured corrosion levels, exposure days, permanent load during corrosion and ultimate applied load on span centre at failure.
From: Ultimate Capacity of Corroded Statically Indeterminate Reinforced Concrete Members
Specimen | Exposure time (days) | Steel loss (% top/bottom reinforcement) | Permanent load (kN) | Ultimate load (kN) | Loss of capacity (%) | |
|---|---|---|---|---|---|---|
Group 1a | G1_2P | 56 | 6/14 | 16.50 | 24.50 | 29 |
G1_P | 6/12 | 6.74 | 24.75 | 29 | ||
G1_SW | 9/11 | 0.00 | 11.40 | 67 | ||
Group 2 | G2_2P | 42 | 6/15 | 17.70 | 25.75 | 26 |
G2_SW | 6/10 | 0.00 | 21.00 | 39 | ||
G2_P | 7/15 | 8.34 | 24.75 | 29 | ||
Group 3 | G3_SW | 100 | 15/15 | 0.00 | 21.80 | 37 |
G3_P | 17/20 | 8.47 | 21.00 | 39 | ||
G3_2P | 10/24 | 17.50 | 17.50b | 56 | ||
Group Uncorroded | GR_2P | – | –/– | 31.60 | – | |
GR_P | 36.59 | – | ||||
GR_SW | 36.42 | – |