Title: A wireless sensor network deployment to detect the degeneration of cement used in construction

Authors: S. Sendra; A.T. Lloret; J. Lloret; J.J.P.C. Rodrigues

Addresses: Integrated Management Coastal Research Institute, Universidad Politécnica de Valencia, C/Paranimf, No. 1, Grao de Gandia 46730, Spain ' Universidad de Alicante, Carretera San Vicente del Raspeig s/n, San Vicente del Raspeig 03690, Alicante ' Integrated Management Coastal Research Institute, Universidad Politécnica de Valencia, C/Paranimf, No. 1, Grao de Gandia 46730, Spain ' Instituto de Telecomunicações, Department of Informatics, University of Beira Interior, Rua Marquês D'Ávila e Bolama, Covilhã 6201-001, Portugal

Abstract: During last few years, the high environmental humidity and salinity in areas close to the sea have caused degeneration of the construction materials. Due to this, several building have collapsed. Several studies demonstrated that it is very difficult to predict these cases. For this reason, we propose a non-invasive technique which takes into account the appropriate placement of the wireless sensors to detect the degeneration of the cement used in construction. Our proposal is based on a wireless sensor network (WSN) which is able to sense the temperature, humidity, micro-vibrations and structural movements. We show the sensor deployment and its appropriate location to take the most suitable measurements and ensure the reliability of the data. We show the energy consumption of each node and the web interface used to show the data. From the structural movements, our WSN can know whether a building is in danger of collapse or not.

Keywords: sensor deployment; sensor placement; sensor nodes; WSNs; wireless sensor networks; cement degeneration; wireless networks; costal areas; humidity; salinity; temperature; micro vibrations; structural movements; energy consumption; building collapse; construction materials.

DOI: 10.1504/IJAHUC.2014.059902

International Journal of Ad Hoc and Ubiquitous Computing, 2014 Vol.15 No.1/2/3, pp.147 - 160

Available online: 19 Mar 2014

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