Skip to main content

Table 4 Stiffness damage identification results based on verification coefficient of deflection

From: Intelligent safety assessment method for demolition construction of closure segment of long-span continuous rigid frame bridges

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%