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北京轻型汽车有限公司从美国引进的4000t 压力机的重要部件底座、滑块和横梁等4个大件货物,单件最大重量约140t,长11.5m,宽4.4m,1991年冬到天津新港后急待运往北京顺义厂内安装。由于受到桥涵设计承载能力的限制,北京市大件运输指挥部十多次选择运输路线,均因桥梁加固费用过高或道路运行安全性差等原因未得解决。我院国防交通研究所获悉后,向北京市大件运输指挥部申报了“桥上桥”过大件的技术方案,即用铁路军用桥墩等器材,
Beijing Light Automobile Co., Ltd. imported 4,000t presses from the United States, the important components such as base, slider and beam 4 bulky cargo, the maximum weight of about 140t single piece, length 11.5m, width 4.4m, the winter of 1991 to Tianjin Newport Anxious to be shipped to Beijing Shunyi factory installation. Due to the limitation of carrying capacity of bridges and culverts, the large transport headquarters in Beijing selected more than 10 transport routes, both of which were not solved due to the high cost of bridge reinforcement or poor road safety. Institute of National Defense Traffic Institute was informed that the large transport headquarters in Beijing to declare a “bridge on the” oversized pieces of the technical program, that is, the use of military hardware such as bridge piers and other equipment,