后张法预应力施工工艺是桥梁预应力构件制作的常用方法。本文介绍预应力材料、张拉设备、预应力筋加工布置、张拉工艺、压浆封锚等施工关键的质量控制技术，作为桥梁后张法预应力施工的质量要点。%Post tensioned prestressed force construction technology is a common method for prestressed structure of bridge fabrication. This paper introduces the key quality control technology such as materials, equipment, processing of prestressed tensioned layout, the prestressing process, grouting anchor sealing construction and so on, as the key quality points of post tensioned prestressing construction of bridge.
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