Stochastic Damage Constitutive Relationship of Steel-Reinforced Concrete Bond-Slip
Table 1
List of parameters for pulling out test pieces.
Test piece number
Concrete strength fcu (N/mm2)
Protective cover thickness Ca (mm)
Sectional dimension (mm2)
Steel buried depth la (mm)
Hoop form
Stirrup reinforcement ratio ρsv (%)
The ratio of longitudinal reinforcement ρs (%)
Steel ratio ρa (%)
A-1 (1)
C60
40
180 × 200
340
Φ6@180
0.18
3.35
10.01
A-2 (2)
C60
60
220 × 240
540
Φ8@100
0.26
2.29
6.82
A-3 (3)
C60
80
260 × 280
740
Φ8@115
0.34
1.66
4.95
A-4 (4)
C60
100
300 × 320
940
Φ8@80
0.42
1.26
3.75
A-5 (5)
C50
40
180 × 200
540
Φ8@135
0.42
3.35
10.01
A-6 (6)
C50
60
220 × 240
340
Φ8@135
0.34
2.29
6.82
A-7 (7)
C50
80
260 × 280
940
Φ8@125
0.26
1.66
4.95
A-8 (8)
C50
100
300 × 320
740
Φ6@105
0.18
1.26
3.75
A-9 (9)
C40
40
180 × 200
740
Φ6@125
0.26
3.35
10.01
A-10 (10)
C40
60
220 × 240
940
Φ6@145
0.18
2.29
6.82
A-11 (11)
C40
80
260 × 280
340
Φ8@95
0.42
1.66
4.95
A-12 (12)
C40
100
300 × 320
540
Φ8@100
0.34
1.26
3.75
A-13 (13)
C30
40
180 × 200
940
Φ6@95
0.34
3.35
10.01
A-14 (14)
C30
60
220 × 240
740
Φ8@110
0.42
2.29
6.82
A-15 (15)
C30
80
260 × 280
340
Φ6@125
0.18
1.66
4.95
A-16 (16)
C30
100
300 × 320
540
Φ8@130
0.26
1.26
3.75
Note: The thickness of the protective layer of the test piece related to the longitudinal ribs is 25 mm; the configuration of the longitudinal ribs of the test piece is 6Φ16 (HRB335); the number in the parentheses of the test piece is the number corresponding to the picture (photo) at the back.
