Bridge Damage Identification Using Vehicle Bump Based on Additional Virtual Masses.

ABSTRACT: Structural damage identification plays an important role in providing effective evidence for the health monitoring of bridges in service. Due to the limitations of measurement points and lack of valid structural response data, the accurate identification of structural damage, especially for large-scale structures, remains difficult. Based on additional virtual mass, this paper presents a damage identification method for bridges using a vehicle bump as the excitation. First, general equations of virtual modifications, including virtual mass, stiffness, and damping, are derived. A theoretical method for damage identification, which is based on additional virtual mass, is formulated. The vehicle bump is analyzed, and the bump-induced excitation is estimated via a detailed analysis in four per

SUBMITTER: Zhang Q 

PROVIDER: S-EPMC7013881 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature