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结合目前施工现场预制预应力混凝土梁体过程中的张拉端钢绞线按常规方法留置长度偏长的状况,根据现场使用的张拉千斤顶和锚具规格,开发设计一种张拉端的专用张拉连接器,内置于穿心式千斤顶缸体内,其作用是将钢绞线与千斤顶工作锚具连接,省略去千斤顶缸体长度范围内的钢绞线工作长度,从而达到节省张拉端钢绞线长度的目的。开发的张拉器既能满足施工现场实际需要,又产生可观的经济效益。
Combined with the prestressed concrete beam at the construction site in the process of tensioned steel strand according to the conventional method indwelling the length of the length of the situation, according to the site of the tension jack and anchor specifications, the development of the design of a special end of the tension Pull connector, built-in through-core jack cylinder, its role is to anchor the wire and jack work connected to omit the length of the cylinder to the jack within the working length, so as to save the tension of the end of the steel The purpose of the length of the stranded wire. Developed tensioner can meet the actual needs of the construction site, but also have considerable economic benefits.