Determining the Internal Wall Condition of a Water Pipeline in the Field Using an Inverse Transient
Determining the Internal Wall Condition of a Water Pipeline in the Field Using an Inverse Transient
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DOI：
10.1061/(asce)hy.1943-7900.0000665
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发表时间：
2013-03-01
期刊：
影响因子：
--
通讯作者：
Simpson, A. R.
中科院分区：
文献类型：
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作者：
Stephens, M. L.;Lambert, M. F.;Simpson, A. R.
以现场管道为例，应用逆瞬态分析（ITA）来估计金属管道内衬丢失和内腐蚀的位置和程度。该方法使用瞬态模型和逆搜索算法来分析在管道中引起瞬态压力波之后获得的测量压力反射的图案。该方法应用于一个6 km长的一段750 mm公称直径的钢管与内部水泥砂浆衬里的现场。描述了用于产生水力瞬变和测量管道压力响应的设备。对现场试验结果进行了分析，以估计管道内壁损坏的位置和程度沿着。广泛的超声波厚度测量结果用于证实预测的管道壁损坏的大致位置和大小。DOI：10.1061/（ASCE）HY.1943-7900.0000665。(C)2013年美国土木工程师协会。
The application of inverse transient analysis (ITA) to estimate the location and magnitude of lost lining and internal corrosion of metal pipelines is demonstrated for a field pipeline. The method uses a transient model and inverse search algorithm to analyze patterns of measured pressure reflections obtained after a transient pressure wave is induced in a pipeline. The method is applied in the field on a 6 km long section of a 750 mm nominal diameter steel pipeline with internal cement mortar lining. The equipment used for generating hydraulic transients and measuring pressure responses in the pipeline is described. Results of the field tests are analyzed to estimate the location and extent of internal wall damage along the pipeline. Extensive ultrasonic thickness survey results are used to corroborate the approximate location and magnitude of predicted pipeline wall damage. DOI: 10.1061/(ASCE)HY.1943-7900.0000665. (C) 2013 American Society of Civil Engineers.