Numerical simulation and experimental investigation of the stray current corrosion of viaducts in the high-speed rail transit system
Numerical simulation and experimental investigation of the stray current corrosion of viaducts in the high-speed rail transit system
复制标题
高速轨道交通高架桥杂散电流腐蚀数值模拟与实验研究
DOI：
10.1016/j.conbuildmat.2017.09.114
复制
发表时间：
2017-12
影响因子：
7.4
通讯作者：
Jinping Ou
中科院分区：
文献类型：
--
作者：
Yi Hong;Zuohua Li;Guofu Qiao;Jinping Ou
The stray current corrosion coupled with fatigue can degrade the durability of viaducts in the high-speed rail transit system. To investigate the distribution status of the stray current field in the viaducts, the numerical simulation algorithm is established based on the finite element methods. Then, the corrosion development of steel bar with that of the stray current located at the anodic and cathodic regions is discussed in detail. Furthermore, the viaduct model is casted to verify the effectiveness of numerical simulation algorithm for the stray current field distribution. The results indicate that the simulation algorithm of stray current can provide the key basis for the safety assessment, maintenance and reinforcement, and the performance based design of the viaducts in high-speed rail transit system.
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