System based on piezoelectric sensors for deflection measurement in concrete beams

  • Daniel Ferrández Vega
  • Carlos Morón Fernández
  • Pablo Saiz Martínez
  • Jorge Pablo Díaz Velilla
Keywords: Piezoelectric sensor, Deflection, Concrete, Detection system

Abstract

Activity of static loads and different activities of dynamic loads produced over the structure of a building have a negative effect causing deformations of the materials that form the structure. Reinforced concrete is the most used in building structural material, being deflection its most important deformation that affects bending elements fabricated with this material. This paper presents a new measurement system based on the response of a piezoelectric low cost sensor. Placing the device in the midspan of the beam where maximum deformation is produced, the sensor is able to collect deflection variations according to the loads the element is subjected to, showing produced variations in real time.

Author Biographies

Daniel Ferrández Vega

Departamento de Ingeniería de Organización, Administración de Empresas y Estadística Universidad Politécnica de Madrid 28660 Boadilla del Monte, Madrid (Spain) daniel.fvega@upm.es

Carlos Morón Fernández

Departamento de Tecnología de Edificación, Universidad Politécnica de Madrid Avenida Juan de Herrera, 6, 28040, Madrid (Spain) carlos.moron@upm.es

Pablo Saiz Martínez

Departamento de Economía Financiera, Contabilidad e Idioma Moderno Universidad Rey Juan Carlos Paseo de los Artilleros, 28032 Madrid (Spain) pablo.saiz@urjc.es

Jorge Pablo Díaz Velilla

Departamento de Tecnología de Edificación, Universidad Politécnica de Madrid Avenida Juan de Herrera, 6, 28040, Madrid (Spain) jdiaz@salesianoscarabanchel.com

Published
2019-09-23