The Integrated Grounding System Of Bridge Section Of Passenger Dedicated Line Ground Optimization Study

Along with the rapid growth of passenger dedicated line operation range, the runthrough earth cable of the integrated grounding system of viaduct section of passenger dedicated line is stolen seriously. It will influence the performance of the integrated earthing system, and bring about seriously hidden danger for the signal, electrical equipment and operating personnel. It will also bring many regulatory difficulties to the construction and operating personnel.According to the Sorting and analyzing of China’s current regulations and implementation plan for passenger dedicated line, we find out the main reason for the runthrough earth cable was stolen that the runthrough earth cable belongs to the economic value of higher copper material. So, we present an economic value lower alternative galvanized round steel instead of copper, and through the simulation current distribution size of the different level of speed passenger dedicated line to determine alternative galvanized round steel. From alternative bridge piers of the bridge and the size of the grounding resistance of reinforced give theoretical calculation, the influence of proof passenger railway viaduct integrated grounding system in our country through ground use galvanized round steel instead of copper to prevent theft is feasible.