精轧螺纹钢筋热浸镀锌前后拉伸性能及屈强比研究

Mechanical Engineer(2023)

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Abstract
以3个厂家提供的精轧螺纹钢筋试件为对象,分别在热浸镀锌前后进行拉伸性能试验.通过一系列试验,研究其拉伸性能指标及屈强比.结果表明,不同的厂家的精轧螺纹钢筋的化学成分控制不一,热浸镀锌前后的性能影响也会不一样,屈强比在一定范围内可以获得较为稳定的最大断后延伸率.以获得精轧螺纹钢筋的最大断后延伸率为最终结论,为桥梁、道路、水利和隧道等以精轧螺纹钢筋作为锚固系统的设计和施工提供参考.
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Key words
finished rolled screw-thread steel bar,hot-dip galvanizing,tensile properties,yield-strength ratio
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