Speckle interferometry from fiber-reinforced materials:A fractal geometry approach
Abstract:Speckle field studies were performed on fiber-modified Portland cement-based microconcrete beam models subjected to flexural loading. The resulting speckle fields were analyzed in terms of their associated mass fractal dimension by using digital image processing techniques. The experiments showed a change in the fractal dimension of the speckle fields as a function both of the loading and the structure of the microconcrete beams. A study was also conducted on the free-damped frequencies of the beams, which allowed to draw a fractal dimension vs. frequency plot on each loading cycle. These results allow to foresee the use of fractal geometry as a promising tool for better understanding the mechanical behavior of structures.
Document Type: Original Article
Affiliations: Facultad de Ingeniería, U.A.Q., Centro Universitario, Cerro de las campanas s/n, Querétaro, Querétaro 76010, México
Publication date: 2001-01-01