Stress-Strain Law for Confined Concrete with Hardening or Softening Behavior
Table 1
Mechanical and geometrical characteristics of specimens considered in Figures 5 and 6 and evaluation of error (%) of SAm in prediction of curve with experimental data.
Code
plies
(%)
(%)
N/mm * ply
kN/mm * ply
HK-C1
174
15.7
1
3.2
HK-C2
174
15.7
2
6.4
HK-G4
75
4.9
2
2.0
HK-G5
75
4.9
3
3.0
HK-G6
75
4.9
6
6.0
HK-G7
75
4.9
9
9.0
HK-G8
75
4.9
12
12.0
Code
(%)
(%)
MPa
GPa
mm
SH-C4
2275
82.7
2.5
69.3
1.8
SH-C5
2275
82.7
1.0
11.1
2.1
2.1
SH-C6
2275
82.7
1.5
16.6
2.7
2.7
Mean
2.1
mm for HK, mm for SH. = 32.1 MPa for HK, = 19.4 MPa for SH-C1/C4, and MPa for SH-C5/C6.