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    Atmospheric Corrosivity Map for Management of Steel Infrastructure in India Using ISO Dose–Response Function and Gridded Data

    Source: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering:;2021:;Volume ( 007 ):;issue: 001::page 04020059-1
    Author:
    Sneha Das
    ,
    Kaustav Sarkar
    DOI: 10.1061/AJRUA6.0001109
    Publisher: ASCE
    Abstract: The first-year corrosion rate (K) values of metals measured using standard protocols are indicative of the relative vulnerability of metal infrastructure to atmospheric corrosion at a given location. The Dose–Response Functions (DRFs) given by ISO can be used to estimate K for steel, zinc, aluminum, and copper if data for temperature, relative humidity, sulfur dioxide, and chloride deposition rates are available. This paper evaluates the efficiency of the ISO DRFs as a classification tool for atmospheric corrosivity in India. The best performing DRF was found to be that for steel and was subsequently combined with gridded datasets of 1°×1° (latitude×longitude) resolution to develop a spatially continuous corrosivity map for steel infrastructure in India. A gridded sulfur dioxide dataset was specifically constituted and used in conjunction with duly validated gridded meteorological records to develop the map. The map reveals that 10% of the Indian mainland has very strong corrosivity, and many grids classified under low and moderate categories exhibit increasing trends. The gridded time of wetness map shows fair conformity to the corrosivity trends.
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      Atmospheric Corrosivity Map for Management of Steel Infrastructure in India Using ISO Dose–Response Function and Gridded Data

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4270673
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    • ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering

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    contributor authorSneha Das
    contributor authorKaustav Sarkar
    date accessioned2022-01-31T23:58:30Z
    date available2022-01-31T23:58:30Z
    date issued3/1/2021
    identifier otherAJRUA6.0001109.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4270673
    description abstractThe first-year corrosion rate (K) values of metals measured using standard protocols are indicative of the relative vulnerability of metal infrastructure to atmospheric corrosion at a given location. The Dose–Response Functions (DRFs) given by ISO can be used to estimate K for steel, zinc, aluminum, and copper if data for temperature, relative humidity, sulfur dioxide, and chloride deposition rates are available. This paper evaluates the efficiency of the ISO DRFs as a classification tool for atmospheric corrosivity in India. The best performing DRF was found to be that for steel and was subsequently combined with gridded datasets of 1°×1° (latitude×longitude) resolution to develop a spatially continuous corrosivity map for steel infrastructure in India. A gridded sulfur dioxide dataset was specifically constituted and used in conjunction with duly validated gridded meteorological records to develop the map. The map reveals that 10% of the Indian mainland has very strong corrosivity, and many grids classified under low and moderate categories exhibit increasing trends. The gridded time of wetness map shows fair conformity to the corrosivity trends.
    publisherASCE
    titleAtmospheric Corrosivity Map for Management of Steel Infrastructure in India Using ISO Dose–Response Function and Gridded Data
    typeJournal Paper
    journal volume7
    journal issue1
    journal titleASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
    identifier doi10.1061/AJRUA6.0001109
    journal fristpage04020059-1
    journal lastpage04020059-12
    page12
    treeASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering:;2021:;Volume ( 007 ):;issue: 001
    contenttypeFulltext
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