Table 3 Contact model parameter values for reinforced concrete with varying corrosion levels.
Corrosion degree/% | Parameter category | Effective modulus/GPa | Stiffness ratio | Friction coefficient | Parallel bond friction angle/° | Parallel bond tensile strength/MPa | Parallel bond cohesion/MPa |
|---|---|---|---|---|---|---|---|
0 | Steel bar | 3.23e3 | 1.2 | 0.5 | 49 | 2.35e2 | 2.35e2 |
Cement mortar | 98 | 1.0 | 0.4 | 32 | 4.5 | 9.2 | |
Steel bar-cement mortar | 73 | 1.0 | 0.3 | 25 | 1.8 | 6.0 | |
10 | Steel bar | 3.0e3 | 1.1 | 0.45 | 45 | 2.0e2 | 2.0e2 |
Cement mortar | 90 | 0.9 | 0.35 | 30 | 4.0 | 8.0 | |
Steel bar-cement mortar | 65 | 0.9 | 0.25 | 22 | 1.5 | 5.0 | |
25 | Steel bar | 2.7e3 | 1.0 | 0.4 | 40 | 1.7e2 | 1.7e2 |
Cement mortar | 80 | 0.8 | 0.3 | 28 | 3.5 | 7.0 | |
Steel bar-cement mortar | 55 | 0.8 | 0.2 | 20 | 1.2 | 4.0 | |
40 | Steel bar | 2.4e3 | 0.9 | 0.35 | 35 | 1.4e2 | 1.4e2 |
Cement mortar | 70 | 0.7 | 0.25 | 25 | 3.0 | 6.0 | |
Steel bar-cement mortar | 45 | 0.7 | 0.15 | 18 | 1.0 | 3.0 |
