Test position | Construction completion stage | Pre-demolition stage | Deviation | |
---|---|---|---|---|
Deflection verification coefficient \(\xi_{1}\) | Stiffness reduction | Equivalent coefficient \(\xi_{2}\) | ||
Mid-span | 0.81 | 0% (initial model) | 0.96 | 19% |
-5% | 0.90 | 11% | ||
-10% | 0.84 | 4% | ||
-15% | 0.80 | 1% | ||
-20% | 0.76 | -6% |