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为了确保大秦铁路建设工期,降低工程造价,缓解铁路运输紧张局面,铁道部工程指挥却决定由铁道部第十八工程局在现场制造32m后张法预应力混凝土梁。1985年5月在沙城车
In order to ensure the construction schedule of Daqin Railway, reduce the construction cost and ease the tension of railway transportation, the engineering director of the Ministry of Railways decided to manufacture 32m post-tensioned prestressed concrete beams on site by the 18th Engineering Bureau of the Ministry of Railways. May 1985 Shacheng car