Research methods:The analysis is made for the present situation of catenary of overheadcontactwire system and main measures against wear of it.
研究方法:通过对接触网承力索的现状和主要防磨损措施的研究来进行分析。
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Research results: The basic calculation method for foundation of rock anchor rod for overheadcontactwire system, (foundation) structure and its construction method are put forward.