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A CASE OF STUDY FOR EMBEDDING RFID TAGS IN PRECAST CONCRETER

Publicat a:Ii International Conference On Concrete Sustainability - Iccs16. 223-228 - 2016-01-01 (), DOI:

Autors: Alonso-Calvo, R.; Fernandez-Ordonez, D.; Garcia-Remesal, M.;

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Resum

Passive Radio-Frequency IDentification (RFID) tagging can be a useful tool to leverage building information models (BIM) systems. Passive RFID tags can be used, for instance, to improve traceability in precast, transport of pieces and quality assurance for identifying unitary building pieces and its location following the BIM definition. RFID tags, unlike other identification techniques in construction, such as labels and barcodes, which are usually located in the surface of BIM items, can be embedded into the concrete pieces themselves. In addition, as passive RFID tags do not require a power supply to operate, they provide a means for long-term labelling that dramatically improves both the traceability of items from the BIM system and their sustainability. In this paper the authors present a preliminary study where different types of RFID tags have been embedded into concrete at different depths to assess the viability of adopting this technology for item labeling. Once the RFID tags were embedded in the concrete pieces, we tried to obtain a valid response from the tags using a RFID reader. The result of this study suggests the viability of achieving long-term electronic labeling of concrete pieces by embedding RFID tags into the concrete. In addition, as the concrete pieces themselves protect the RFID tags during the transportation and building stages of BIM pieces, this improves the durability of the labeling. The data stored in the RFID tags can be also secured by resorting to standard data encryption methods and tools.

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