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提出一种直接利用实测四点弯曲管道试样的载荷 (P)～加载点位移 (Δ)曲线确定碳钢管道的JR 阻力曲线的单试样法 ,对几种管道试样进行的试验结果表明 ,用此方法所得的JR 阻力曲线与用其它方法所得的JR 阻力曲线符合较好
A single sample method for determining the JR resistance curve of a carbon steel pipe by directly using the load (P) ~ loading point displacement (Δ) curve of a measured four-point curved pipe sample was presented. The test results of several pipe samples , The JR resistance curve obtained by this method is in good agreement with the JR resistance curve obtained by other methods