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结合迎泽大桥改建工程主桥预应力施工实践，本文论述了预应力施工过程如何控制人、机、料、法环五个影响因素，为同类型城市特大桥预应力工程施工提供了借鉴依据
In combination with the construction practice of the prestressed construction of the main bridge of the Yingze Bridge reconstruction project, this paper discusses how to control five factors affecting the man, machine, material, and method ring in the prestressed construction process, and provides reference for the prestressed construction of the super bridge of the same type.