Recent Advances on SHM of Reinforced Concrete and Masonry Structures Enabled by Self-Sensing Structural Materials
Autor
Ubertini, Filippo
D’Alessandro, Antonella
Downey, Austin
García Macías, Enrique
Laflamme, Simon
Castro Triguero, Rafael
Editor
MDPIFecha
2018Materia
Smart concreteSmart brick
Structural Health Monitoring
Earthquake-induced damage detection
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Structural Health Monitoring is aimed at transforming civil structures into self-diagnosing
systems able to automatically reveal the occurrence of a fault or a damage after a critical event such
as an earthquake. While data science is presently experiencing tremendous advances leading to the
availability of powerful tools and algorithms for extracting relevant information by effectively
fusing data provided by different types of sensors, one of the main bottlenecks still limiting the
development of SHM in the field of civil engineering is the general lack of reliable sensing
technologies that are scalable at the large scale. A very promising solution to this large scale
challenge would be leveraging the construction materials for strain sensing and direct damage
detection. In this direction, the authors have recently proposed smart concretes and smart bricks
that are piezoresistive concretes and clay bricks obtained by doping traditional construction
materials with conductive nano- or micro-inclusions. These novel multifunctional materials have
the ability to provide measurable electrical output under the application of a mechanical load and
to provide information useful for damage detection, localization and quantification. The paper
introduces both technologies, discusses their potentials, and illustrates their application to
paradigmatic structural elements arranged in the laboratory. The presented results contribute to
demonstrating the revolutionary impact that smart concretes and smart bricks may have in the near
future on SHM of concrete and masonry structures.