6533b85afe1ef96bd12b90e8

RESEARCH PRODUCT

Detection of damage in civil engineering structures by PCA on enviromental vibration data

Agrò GCarlisi VMantione R

subject

Principal component analysis damage detection subspace angles Operational modal analysis Fast Fourier Transform Peak Picking

description

The dynamic behavior of civil engineering structures are usually studied by means of ambient vibration observations and their performance is analyzed by Peak Picking and/or Operational Modal Analysis methods. This paper reports the first results of a statistical multivariate approach, specifically Principal Component Analysis, to detect a suspected structural damage on a sicilian highway bridge. Furthermore, the damage simulated in a simple structural model made it possible to understand the characteristics of the method consisting in comparing the observed data on an undamaged structure with those coming from a damaged one.

yearjournalcountryeditionlanguage
2018-01-01
http://hdl.handle.net/10447/302423