Carbonation Characteristics and Bearing Capacity Attenuation of Loaded RC Beam Coupled with Chloride Erosion
Table 5
Ultimate load of shearing beams.
NO.
η (%)
Vuc or Vu0 (kN)
Fr (%)
ωmax (mm)
κs
d
dr
dr2 (%)
SP5-0-40
DI-0
0
46.19
—
12.07
1
5.09
1.000
—
SP5-1-40
DI-1
1.7
45.28
−2.0
5.14
0.980
3.25
0.639
−36.1
SP5-2-40
DI-2
3.2
43.76
−5.3
7.24
0.947
4.67
0.917
−8.3
SP5-3-40
DI-3
4.4
42.32
−8.4
7.08
0.916
4.51
0.885
−11.4
SP5-0-50
DII-0
0
51.79
—
9.72
1
6.57
1.000
—
SP5-1-50
DII-1
1.5
49.44
−4.5
8.56
0.955
4.73
0.720
−28.0
SP5-2-50
DII-2
2.8
48.87
−5.6
7.44
0.944
4.56
0.695
−30.6
SP5-3-50
DII-3
4.0
45.95
−11.3
7.34
0.887
4.77
0.726
−27.4
Note. Vuc and Vu0 are the ultimate shear loads of the corroded beam and the noncorroded beam, respectively, and κs = Vuc/Vu0. Fr denotes the ultimate load change rate of the corroded beam relative to the noncorroded beam.
