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。
The utility model relates to a clamping device, which is a pier protective device of the end of an anchor steel wire in construction engineering.
本实用新型涉及一种夹具，主要指建筑工程中的锚钢丝端头的墩头器。
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