Table 7 Value of background bridge security assessment parameters
Parameters | Value | Reason | Remarks |
|---|---|---|---|
Self-weight | 8.1% | Structural volume detection | Detection value |
Moment of inertia | -15% | The most unfavorable value degree | Identification value |
Effective prestress | -15% | The most unfavorable value | Identification value |
Anchoring degree-prestress | 79.2% | Inspection and assessment of duct | Test and assessment value |
Modulus of Elasticity-C | -20% | grouting quality | Assessment value |
Modulus of Elasticity-Ps | -17.4% | The most unfavorable value | Test and assessment value |
structural strength | -10% | performance degradation | Assessment value |
Temperature difference | -6℃/20℃ | Rust detection | Detection value |