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    Substrate Modification and Magnetic Water Treatment on the Maintenance of Tunnel Drainage Systems. II: Field Tests

    Source: Journal of Performance of Constructed Facilities:;2015:;Volume ( 029 ):;issue: 003
    Author:
    Eric Yee
    DOI: 10.1061/(ASCE)CF.1943-5509.0000575
    Publisher: American Society of Civil Engineers
    Abstract: As a result of previous laboratory tests suggesting an effect of magnetic fields on the deposition of calcium carbonate, tunnel operators in Seoul, South Korea, assigned three tunnel sites, Namsan #3 tunnel and subway tunnel segments near stations 750 and 542, to evaluate the effectiveness of magnetic fields in inhibiting calcium carbonate deposition. Field tests conducted over several months revealed no significant effect from the use of magnets. Observations from one site suggested the use of magnets to be a clogging hazard, as iron compounds would assemble around the magnet. From these results, the application of magnetic fields to inhibit calcium carbonate deposition in tunnel drainage systems is not recommended.
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      Substrate Modification and Magnetic Water Treatment on the Maintenance of Tunnel Drainage Systems. II: Field Tests

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    http://yetl.yabesh.ir/yetl1/handle/yetl/79135
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    contributor authorEric Yee
    date accessioned2017-05-08T22:22:53Z
    date available2017-05-08T22:22:53Z
    date copyrightJune 2015
    date issued2015
    identifier other43792560.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/79135
    description abstractAs a result of previous laboratory tests suggesting an effect of magnetic fields on the deposition of calcium carbonate, tunnel operators in Seoul, South Korea, assigned three tunnel sites, Namsan #3 tunnel and subway tunnel segments near stations 750 and 542, to evaluate the effectiveness of magnetic fields in inhibiting calcium carbonate deposition. Field tests conducted over several months revealed no significant effect from the use of magnets. Observations from one site suggested the use of magnets to be a clogging hazard, as iron compounds would assemble around the magnet. From these results, the application of magnetic fields to inhibit calcium carbonate deposition in tunnel drainage systems is not recommended.
    publisherAmerican Society of Civil Engineers
    titleSubstrate Modification and Magnetic Water Treatment on the Maintenance of Tunnel Drainage Systems. II: Field Tests
    typeJournal Paper
    journal volume29
    journal issue3
    journal titleJournal of Performance of Constructed Facilities
    identifier doi10.1061/(ASCE)CF.1943-5509.0000575
    treeJournal of Performance of Constructed Facilities:;2015:;Volume ( 029 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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