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一为了落实伟大领袖毛主席“备战、备荒、为人民”的战略方针,适应铁路交通建设事业的发展,尤其是三线铁路建设的新形势和特点,对预应力混凝土电杆提出了新的要求,主要是:要求重量轻,便于运输,便于架设施工。另外目前杆长超过12米的预应力电杆,无论从生产制造工艺和运输条件等方面而言,也都需要对杆身进行合理分段,到现埸组装就位后使用。为了解决这个问题,交通部组织了丰台桥梁工厂、电务工程总队、北京铁路局、第三铁
First, in order to implement the strategic guideline of “preparing for war, preparing for famine and for the people” of great leader Chairman Mao, to meet the development of railway transportation construction, especially the new situation and characteristics of the construction of the third-line railway, put forward new requirements for prestressed concrete poles, Mainly: Requires light weight, easy to transport, easy to erect the construction. In addition the current length of more than 12 meters of prestressed pole, both from the manufacturing process and transport conditions, etc., also need to be a reasonable segment of the shaft, to the present 埸 assembly in place after use. In order to solve this problem, the Ministry of Communications organized the Fengtai Bridge Factory, the Electricity Engineering Corps, the Beijing Railway Bureau, the third railway