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论述了钢绞线预应力筋用齿合型单孔开口锚具的基本构造、工作原理、工程用途和应用技术条件。试验表明,该新产品不但满足JGJ85—2002规程和GB/T14370—2000标准的各项技术要求,而且构造合理、性能可靠、外形较小、加工成本低、工程适用性好,是混凝土楼盖新增洞口处锚固无粘结预应力断筋、超长混凝土楼盖后浇带处分段锚固无粘结预应力长筋的重要工具。
The basic structure, working principle, engineering application and technical conditions of the prestressing tendons for steel strand are introduced. The test shows that the new product not only meets the technical requirements of the JGJ85-2002 standard and the GB / T14370-2000 standard, but also has the advantages of reasonable structure, reliable performance, small size, low processing cost and good engineering applicability, and is a new concrete floor Anchoring non-bonded prestressed tendons at the entrance to the hole, super-long concrete floor post-pouring at the anchor section anchorage non-bonded pre-stressed long ribs an important tool.