| 冷轧带肋钢筋推广中的几个技术问题 |
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| 引用本文： | 卢锡鸿. 冷轧带肋钢筋推广中的几个技术问题[J]. 建筑结构, 1999, 0(9) |
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| 作者姓名： | 卢锡鸿 |
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| 作者单位： | 江苏省建筑科学研究院!南京210008 |
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| 摘 要： | 我国冷轧带肋钢筋国家标准中的 ５５０级钢筋的力学性能指标与国际标准相当，钢材质量在采用专用盘条生产后能大幅度提高；６５０级和８００级冷轧带肋钢筋是根据国内中小预应力构件的需要自行开发的，其延性与高强碳素钢丝相当，是中小预应力构件的适用钢材。
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| 关 键 词： | 冷轧带肋钢筋 伸长率 混凝土结构 预应力构件 |
Technical Problems in Developing Cold Rolled Ribbed Steel Wires and Bars |
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| Lu Xihong. Technical Problems in Developing Cold Rolled Ribbed Steel Wires and Bars[J]. Building Structure, 1999, 0(9) |
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| Authors: | Lu Xihong |
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| Abstract: | The indexes of the mechanical properties of grade 550 cold-rolledg ribbed bar specified in China's national standard is equal to these of international one. The quality of the special coil rod is improved greatly after processed. Grade 650 and grade 800 cold-rolled ribbed bars are developed according to the demand of the medium and small-sized prestressed members in China, their elongation is equal to that of high-strength carbon steel and they are appropriate steel for small and medium-sized prestresseed members. |
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| Keywords: | cold-rolling ribbed wire elongation ratio concrete structure prestressed member |
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