混凝土配重层对近海海底钢质管道阴极保护效果的影响

王萌萌, 曹国民, 孟繁兴, 李天亮, 宋沁峰, 单太航, 董亮

Influence of Concrete Counterweight Layer on Cathodic Protection Effect of Nearshore Submarine Steel Pipes

WANG Mengmeng, CAO Guomin, MENG Fanxing, LI Tianliang, SONG Qinfeng, SHAN Taihang, DONG Liang

表1 不同盐度的海水模拟液化学成分 (g/L)

Table 1 Chemical composition of artificial seawaters with different salinities

Chemicals 5‰ salinity seawater 16.8‰ salinity seawater 26.7‰ salinity seawater Sea mud NaCl 2.801 10.305 17.780 CaCl2·2H2O 0.282 0.632 1.048 MgCl2·6H2O 1.158 4.248 7.909 NaHCO3 0.165 0.160 0.147 On-site sampling Na2SO4 0.495 1.195 0.024 KCl 0.065 0.254 0.479 KBr 0.079 0.060 0.060 NaF 0.054 0.254 0.024