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Acoustics and Diagnostic of Materials and Structures
(Ref. TEP-232)
18
julio
2018
julio 2018
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Datos del grupo


Líneas de investigación

Líneas:
Engineered Wood based Products made with Poplar Wood and Composite Materials:
Development of new hybrid engineered wood based products made from the combination of poplar veneers or lamellas and embedded carbon or basalt fiber composite material: reinforced plywood, Glulam beams and Laminated Veneer Lumber beams (LVL); Experimental evaluation of its mechanical properties and numerical modeling with finite elements; Development of embedded-sensors monitoring systems for the development of smart products
Acoustic Emission Technique for Structural Health Monitoring:
Development and application of the acoustic emission method for materials characterization and structural health monitoring; Location of acoustic emission sources; Acoustic emission signals analysis; Indicators of acoustic emission activity to assess the damage severity in real time. Application to reinforced concrete structures, composite materials, wood structures, printed circuit boards, etc.
Structural Health Monitoring of Hysteretic Dampers used for Seismic Resistant Structures:
Application of vibration and ultrasonic methods for the evaluation and quantification of damage in hysteretic energy dampers used as anti-seismic systems; Signal processing; Development of damage indexes.
Non-Destructive Testing of Wood and Wood-based Materials:
Development of vibro-acoustic methods for the mechanical characterization of tree wood, logs, and laboratory wooden specimens: Ultrasound, Vibration, Acoustic Emission and Acoustic Tomography.
Vibration Method for Structural Health Monitoring:
Use of free or forced vibration signals for the characterization of materials and evaluation of structural damage; Analysis of vibration signals; Damage indices; Application to the characterization of the wood and the diagnosis of damage in hysteretic energy dampers.
Health Monitoring of Reinforced Concrete Structures subjected to Seismic Loadings:
Monitoring of reinforced concrete structural elements subjected to dynamic loads with the seismic table of the University of Granada, by means the use of acoustic emission sensors; Characterization of fracture processes through the analysis of acoustic emission signals. Comparison of structures with and without energy dampers, used as anti-seismic systems.
Retrofiting and Repair of Timber Beams using Composite Materials:
Development and experimental validation of different reinforcement and repair layouts for old timber beams using FRP materials (Fiber Reinforced Polymers); Comparison of carbon (CFRP) and basalt (BFRP) fiber; Comparison of reinforcements by pultruded laminates and fabrics of different weights and fiber layouts; Experimental evaluation of FRP-wood bond; Comparison of the reinforcement applied to beams without and with previous damage; Analytical models for structural calculation; Development of application procedures in field and time and costs measurement.
Bamboo Wood for Construction:
Feasibility study of the cultivation of woody bamboo (Bambuseae) as a measure of adaptation to climate change, environmental improvement and economic alternative in the Costa Tropical of Granada (Spain), analyzing the adaptation of woody bamboos in the area for use as construction material structural, closing or finishing. Development of structural prototypes, with purposes applicable to the rehabilitation and architectural restoration as well as in new construction.

Desarrollado por: