研究结果：提出接触网支柱岩石锚杆基础计算方法，基础构造及施工做法。
Research results: The basic calculation method for foundation of rock anchor rod for overhead contact wire system, (foundation) structure and its construction method are put forward.
研究结果：提出接触网支柱岩石锚杆基础计算方法，基础构造及施工做法。
Research results: The basic calculation method for foundation of rock anchor rod for overhead contact wire system, (foundation) structure and its construction method are put forward.
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