考虑个体差异的氯氧镁水泥混凝土涂层钢筋寿命预测

王鹏辉,乔宏霞,冯琼,曹辉

Life prediction of coated steel with individual difference in magnesium oxychloride cement concrete

Peng-hui WANG,Hong-xia QIAO,Qiong FENG,Hui CAO

表 4 涂层钢筋腐蚀电流密度

Tab.4 Corrosion current density of coated steel bar

x/d J /（10−3 μA·cm−2） A组 B组 C组 0 0.045 0.039 0.047 90 0.260 0.482 0.385 180 0.685 0.856 0.754 270 1.130 1.060 1.120 360 1.280 1.160 1.260 450 1.460 1.270 1.180 540 1.580 1.330 1.460 630 1.710 1.650 1.850 720 1.940 2.150 2.240 810 2.380 2.470 2.780 900 3.590 3.270 2.690 990 3.280 3.470 3.030