Sang-wook HAN, Su-ri PARK, Byung-jick KIM
(Dept. of Chemical Engineering, Soongsil University, Seoul 156-743, Korea)
Abstract—In order to reduce the gas accident due to third party digging, applicability of RFID to underground facility was investigated. Stable recognition depth of RFID tag were measured to be 60 , 50, 50, 25 cm in the medium of acrylic resin, soil, 5 cm-thick-concrete+soil, and water respectively. And 24 bit RFID metal tag can hold the LNG pipe data of construction date, material and thickness, burying depth, and ID No. Application of RFID to underground LNG supply system will not only reduce the gas accidents due to third party digging but also improve the maintenance efficiency.
Key words—RFID metal tag; recognition depth; LNG supply network; frequency analysis; third-party digging
Manuscript Number: 1674-8042(2011)supp1.-0060-05
doi: 10.3969/j.issn.1674-8042.2011.supp1.013
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