Purpose

The purpose of this paper is to develop a technological method of protection against electrical corrosion. One more way to protect the objects is to prevent the electrical current from getting to them. For example, railway objects are surrounded with a material with raised electrical resistance.

Design/methodology/approach

The railway infrastructure objects (foundations, contact-line supports, reinforced concrete sub-bases, bridge structures, pipelines of engineering networks, supports of passenger platforms and pedestrian bridges, concrete plinth walls of station buildings) are subjected to destruction due to the action of electrical current. One of destruction factors is a corrosion of the concrete constructions which is caused by the leakage current action.

Findings

Leakage currents and stray currents bypass the structure of supports of high passenger platforms or pipes of engineering networks. These currents spread by the line with the least resistance outside of the structures.

Research limitations/implications

Electrical leakage current from the rails gets into such structures through sleepers, ballast and soil and leads to accelerated corrosion leaching of concrete.

Practical implications

The constructions are protected against the destructive effect of electrical corrosion on the metal or concrete of the structure. This scheme is suitable for the construction and reconstruction of railway structures which operate on electrified sections of railways.

Originality/value

Schemes of technological solution are proposed for protection of foundations, supports of high passenger platforms, pipelines of engineering networks, etc. For this, the arrangement of soil-contained screens with big electrical resistance is suggested.

中文翻译：

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保护铁路基础设施对象免受电腐蚀

目的

本文的目的是开发一种防止电腐蚀的技术方法。另一种保护物体的方法是防止电流到达它们。例如，铁路物体被一种电阻升高的材料包围。

设计/方法/方法

铁路基础设施对象（基础、接触线支架、钢筋混凝土底基层、桥梁结构、工程网络管道、客运站台和人行天桥的支架、车站建筑物的混凝土基座墙）因电流。破坏因素之一是由泄漏电流作用引起的混凝土结构的腐蚀。

发现

泄漏电流和杂散电流绕过高载客平台或工程网络管道的支架结构。这些电流通过结构外电阻最小的线路传播。

研究限制/影响

来自轨道的漏电电流通过轨枕、道碴和土壤进入这些结构，并导致混凝土加速腐蚀浸出。

实际影响

保护结构免受电腐蚀对结构的金属或混凝土的破坏性影响。本方案适用于铁路电气化路段运营的铁路结构的建设和改造。

原创性/价值

提出了对地基保护、高客平台支撑、工程管网管线等的技术解决方案。为此，建议布置大电阻的含土屏风。