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介绍了一类预应力构件钢绞线张拉自动控制系统,通过设计无线张拉伸长量传感器、控制液压阀组的次控机、进行张拉操作的主控机与张拉数据信息管理的网络信息系统,实现了预应力构件的钢绞线自动张拉与张拉过程信息的全过程管理。系统在银川至巴彦浩特公路合同段1等路段进行了试验,张拉数据表明符合规范要求,验证了系统的有效性。
This paper introduces a kind of automatic tension control system of prestressed steel strand. By designing a wireless tension sensor, controlling the secondary control valve of the hydraulic valve group, the main controlling machine of tensioning and tension data information management Network information system, to achieve the prestressed components of the strand tension and tension of the whole process of information management process. The system was tested in the contract section 1 of Yinchuan-Bayanhaote Highway, and the tension data showed compliance with the requirements of the specification, which verified the validity of the system.