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Estimation of Quantity of Cl-from Deicing Salts on Weathering Steel Used for Bridges
Masamichi Takebe,Makoto Ohya,Shota Ajiki,Takashi Furukawa,Ryo Adachi,Rumiko Gan-ei,Naoki Kitagawa,Junya Ota,Yasuhiko Matsuzaki,Toshihiko Aso 한국강구조학회 2008 International Journal of Steel Structures Vol.8 No.2
To estimate the contribution of Cl from deicing salt (CaCl2) on weathering steel on a bridge in southwestern Japan, therelationship among the quanties of Cl, SO42 and Ca2+ on girders is examined. The composition of the ions on girder showsseasonal variation, and the Ca2+ and Cl on the western second girder are enriched with a ratio coresponding to CaCl2 in winter,suggesting that CaCl2 2 is more 50 % of totalchlorine ion and the corosion is more enhanced on the second girder.