记者从省特检院获悉，该院容管中心近期在受托开展城市钢质埋地燃气管道检验中，采用了5项创新性技术手段，使检验技术有了新突破。
城市钢质埋地燃气管道检验是特种设备检验中难度较大的检测项目。此次所采用的5项创新技术分别是：采用探地雷达进行精确定位，测量管道埋深和间距；利用多频管中电流检测技术，探测管道防腐层破损点和评价防腐层质量等级；利用密间隔电位测试技术，分析判断保护系统的有效性；利用动态杂散电流检测系统，测量管道周围的杂散电流干扰程度；运用模糊综合评价方法，确定管道的风险等级。
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