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针对管道中心线应变检测缺陷点的定位问题和多次管道内检测的里程误差,提出一种以管道环焊缝为参考点对管道检测历史数据进行对齐的方法。现场应用表明该方法可以将多次内检测数据对齐,可有效利用历史检测数据评估管道中心偏移。
Aiming at the positioning problem of pipeline centerline strain detection defect and the mileage error detected in multiple pipelines, a method of aligning pipe inspection historical data with pipeline girth weld as reference point is proposed. Field application shows that this method can align test data within multiple times and effectively utilize historical test data to evaluate pipe center offset.