Research Article

Suspender Replacement Method for Long-Span Concrete-Filled Steel Tubular Arch Bridges and Cable Force Measurement Based on Frequency Method

Table 7

Common calculation methods.

Calculation methodCalculation formula

T1
T2
Model hi
Model chen
Model ren

; T is the tension of the cable; m is the unit length mass of the boom; Fn is the nth-order transverse vibration frequency of the boom; EI is the bending stiffness of the cable; L is the calculated length of the cable.