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赵新伟, 路民旭, 白真权, 罗金恒, 李平全, 井一平, 孙建刚, 黄一新, 周方勤, 刘海峰. 管道腐蚀剩余强度评价[J]. 油气储运, 1999, 18(11): 34-37.
引用本文: 赵新伟, 路民旭, 白真权, 罗金恒, 李平全, 井一平, 孙建刚, 黄一新, 周方勤, 刘海峰. 管道腐蚀剩余强度评价[J]. 油气储运, 1999, 18(11): 34-37.
shu
Zhao Xinwei, Lu Minxu, . The Assessment of Remaining Strength of the Corroded Pipeline[J]. Oil & Gas Storage and Transportation, 1999, 18(11): 34-37.
Citation: Zhao Xinwei, Lu Minxu, . The Assessment of Remaining Strength of the Corroded Pipeline[J]. Oil & Gas Storage and Transportation, 1999, 18(11): 34-37.
shu

管道腐蚀剩余强度评价

The Assessment of Remaining Strength of the Corroded Pipeline

    摘要
  • 摘要: 基于现场采样管段腐蚀缺陷检测数据和智能检测器现场检测数据, 采用TGRC-ARSP软件、TCP-FEM数值分析方法和全尺寸试验方法评价了克拉玛依—乌鲁木齐复线ϕ529×7（8）管道腐蚀剩余强度。对严重腐蚀管段, 可采用全部更换或挖坑检测后再进行评价方案, 若在最大允许操作压力（3MPa）下, 能安全运行则不予更换; 对处在四级地区的中度腐蚀管段则需进行全部更换; 对处在一级、二级和三级地区的中度腐蚀管段可采取维修和加强阴极保护的措施。改造后的管道可在最大允许操作压力（3MPa）下安全运行, 并能满足油改气后对输气量的要求。

     

    Abstract: The paper reports an assessment on Kelamayi-Wulumuqi pipeline (ϕ529 × 7(8) mm) containing corrosion defect. The work has been done with TGRC-ARSP software, CTP-FEM finite element method and the bust test of full size pipe based on the indoor inspection of samples taken from the corroded pipeline and the in-line inspection of smart pig. According to the assessment resuits, if the corroded pipeline were partially replaced and coating repaired.it would be run safely at 3 MPa pressure. The advice on remedial action of the corroded linepipe has been given.

     

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