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钢筋怎样取样和复试

更新时间: 2020-07-15 00:00:00     

钢筋取样和复试的方法有5种:

1、分析用试屑可采用刨取或钻取方法。采取试屑以前,应将表面氧化铁皮除掉;

2、自轧材整个横截面上刨取或者自不小于截面的1/2对称刨取;

3、垂直于纵轴中线钻取钢屑的,其深度应达钢材轴心处;

4、供验证分析用钢屑必须有足够的重量;

5、试件应从两根钢筋中截取,每一根钢筋截取一根拉力,一根冷弯,其中一根再截取化学试件一根,低碳热轧圆盘条冷弯试件应取自不同盘。

关键词: 钢筋 怎样 取样 复试

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