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Materials 2017, 10(7), 770; doi:10.3390/ma10070770

Image Analysis Technique for Material Behavior Evaluation in Civil Structures

Department of Engineering, University of Perugia, via Duranti, 93-06125 Perugia, Italy
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Received: 9 June 2017 / Revised: 27 June 2017 / Accepted: 30 June 2017 / Published: 8 July 2017
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Abstract

The article presents a hybrid monitoring technique for the measurement of the deformation field. The goal is to obtain information about crack propagation in existing structures, for the purpose of monitoring their state of health. The measurement technique is based on the capture and analysis of a digital image set. Special markers were used on the surface of the structures that can be removed without damaging existing structures as the historical masonry. The digital image analysis was done using software specifically designed in Matlab to follow the tracking of the markers and determine the evolution of the deformation state. The method can be used in any type of structure but is particularly suitable when it is necessary not to damage the surface of structures. A series of experiments carried out on masonry walls of the Oliverian Museum (Pesaro, Italy) and Palazzo Silvi (Perugia, Italy) have allowed the validation of the procedure elaborated by comparing the results with those derived from traditional measuring techniques. View Full-Text
Keywords: deformation; displacement; marker tracking; digital image correlation; no-contact measurement; monitoring; strain field; civil structures; masonry deformation; displacement; marker tracking; digital image correlation; no-contact measurement; monitoring; strain field; civil structures; masonry
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Speranzini, E.; Marsili, R.; Moretti, M.; Rossi, G. Image Analysis Technique for Material Behavior Evaluation in Civil Structures. Materials 2017, 10, 770.

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