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我们在参加“1986年国际混凝土博览会”之后,参观了美国几家混凝土制品厂。现将这几家工厂的生产情况简介如下。一、联合混凝土管厂联合混凝土管厂是美国管子与基础公司的一个分公司——联合混凝土管分公司,生产混凝土管与钢管已有70年的历史。该厂不仅能生产亦能设计各种规格的混凝土管和钢管及其生产设备,还能承担工程和技术咨询、服务及技术培训。其主要产品是带钢筒配预应力螺旋筋、不配纵向预应力筋及不带钢筒的预应力混凝土管,非预应力钢筋混凝土管和异形管件。
After attending the “International Concrete Expo in 1986”, we visited several concrete products factories in the United States. The production of these factories is now described as follows. 1. The joint concrete pipe plant combined concrete pipe plant is a subsidiary company of U.S. Pipe & Foundation Company, a joint concrete pipe branch company, and has been producing concrete pipes and steel pipes for 70 years. The plant can not only produce but also design various specifications of concrete pipes and steel pipes and their production equipment. It can also undertake engineering and technical consulting, service and technical training. Its main products are pre-stressed concrete pipes with steel cylinders and prestressed spiral bars, pre-stressed bars without steel longitudinal bars, and non-prestressed reinforced concrete pipes and special-shaped pipe fittings.