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Sensors 2015, 15(1), 635-641;

New System for Measuring Impact Vibration on Floor Decking Sheets

Sensors and Actuators Group, Department of Tecnología de la Edificación, Universidad Politécnica de Madrid, Madrid 28040, Spain
Author to whom correspondence should be addressed.
Received: 9 October 2014 / Accepted: 24 December 2014 / Published: 30 December 2014
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Currently, there is a narrow range of materials that are used as attenuators of impact noise and building vibrations. Materials used in construction, such as elastic materials, must meet the requirement of having very low elastic modulus values. For the determination of the material’s elastic modulus and the acoustic insulation of the same, costly and difficult to execute testing is required. The present paper exposes an alternative system that is simpler and more economic, consisting of a predefined striking device and a sensor able to determine, once the strike is produced, the energy absorbed by the plate. After the impact is produced, the plate undergoes a deformation, which absorbs part of the energy, the remaining part being transmitted to the slab and, at the same time, causing induced airborne noise in the adjoining room. The plate absorbs the power through its own deformation, which is measured with the help of a capacitive sensor. This way, it would be possible to properly define the geometry of the plates, after the execution of the test, and we will try to establish a relationship between the values proposed in this research and the acoustic behavior demanded by the Spanish standards. View Full-Text
Keywords: vibration; impact; capacitive sensor; elasticity modulus vibration; impact; capacitive sensor; elasticity modulus
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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Moron, C.; Garcia, A.; Ferrandez, D. New System for Measuring Impact Vibration on Floor Decking Sheets. Sensors 2015, 15, 635-641.

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