带轧皮预锈钢筋在混凝土养护期间的自然钝化行为研究

刘国强, 张东方, 陈昊翔, 范志宏

Natural Passivation Behavior of Pre-rusted Steel Rebar with Mill Scale in Curing Stage of Concrete

LIU Guoqiang, ZHANG Dongfang, CHEN Haoxiang, FAN Zhihong

表1 2种钢筋动电位极化曲线拟合结果

Table 1 Fitting results of dynamic potential polarization curves for 2 types of steel bars

Rebar Ecorr / V Icorr / μA·cm-2 Ip / μA·cm-2 Ep / V Rusted rebar -0.25 0.87 1.54~2.85 0.37 Normal rebar -0.18 0.43 0.79~2.12 0.40