Topic
Structural health monitoring
About: Structural health monitoring is a research topic. Over the lifetime, 11727 publications have been published within this topic receiving 186231 citations.
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TL;DR: In this article, experimental aspects of dynamic response-based damage detection technique on carbon/ epoxy composites are addressed, where smart piezoelectric materials are used as sensors or actuators to acquire the curvature modes of structures.
Abstract: Many composite materials and structures are susceptible to defects, which can significantly reduce the strength of structures and may grow to failure. To avoid the catastrophic failure of structures, development of a reliable method of structural health monitoring is one of the most important keys in maintaining the integrity and safety of structures. Dynamic response-based damage detection offers a simple procedure as an alternative to the conventional nondestructive evaluation techniques. However, this technique depends on the quality of measured data for its identification accuracy. In this article, experimental aspects of dynamic response-based damage detection technique on carbon/ epoxy composites are addressed. Smart piezoelectric materials are used as sensors or actuators to acquire the curvature modes of structures. These materials are surface-bonded to the beams. An impulse hammer is used as an actuating source as well. Four types of damage detection algorithms are evaluated for several possible ...
133 citations
TL;DR: In this article, a study concerning the development of embedded sensors by using polymer composite filled with carbon nanotube for structural health monitoring in aeronautic structural parts is presented, where the relationship between the mechanical stress applied, both in axial and flexural mode and the electrical properties of an epoxy composite, are analyzed.
Abstract: A study concerning the development of embedded sensors by using polymer composite filled with carbon nanotube for structural health monitoring in aeronautic structural parts is presented. The relationship between the mechanical stress applied, both in axial and flexural mode and the electrical properties of an epoxy composite, are analyzed. The electrical resistance or impedance of the nanocomposites samples are strongly affected by the applied mechanical stress. The present work aims at investigating the possible use of the nanotechnology towards the development of embedded sensor systems in composite structures having self-diagnostic functionalities and capability of provide real-time structural health monitoring.
133 citations
TL;DR: In this article, a prismatic sensors made of cement paste doped with carbon nanotubes have been proposed as embedded sensors for concrete structures for structural health monitoring of concrete structures.
132 citations
TL;DR: In this paper, the authors investigated the potential of GPS to record higher oscillation frequencies, at least up to 4 Hz at the minimum resolution level of this instrument for kinematic applications, and identified more than one dominant frequency.
132 citations
TL;DR: In this article, a non-model based technique to detect, locate, and characterize structural damage by combining the impedance-based structural health monitoring technique with an artificial neuromodel is presented.
Abstract: This paper presents a non-model based technique to detect, locate, and characterize structural damage by combining the impedance-based structural health monitoring technique with an artificial neur...
131 citations