管道缺陷的检测是安全检测的重要方面。
Pipeline defect detection is an important aspect of safety tests.
文中阐述了不同的管道缺陷修复方法和选择的思路。
Discusses different pipeline rehabilitating technique and how to make a better choice.
分析结果表明，这一方法可用于在役管道缺陷尺寸的预测。
The analytical results show that this method can be applied in defect size prediction of pipeline in service.
缺陷的自动识别在管道缺陷超声无损检测和评估中具有重要意义。
Automatic identification of flaws is very important for ultrasonic nondestructive testing and evaluation of pipelines.
为了应用漏磁检测技术检测管道缺陷，需要对缺陷信号进行分析。
Reduction of noise in flaw signals based on independent component analysis;
本文对超声导波技术应用于工业管道缺陷无损检测进行了理论和实验研究。
In this paper, industry pipeline defects NDT using ultrasonic guided waves was carried out theoretically and experimentally.
以失效评定图技术为基础，建立了一套可用于防止压力管道缺陷起裂的断裂评定工程方法。
Based on the FAD, the engineering safety assessment procedure for pre-venting fracture initiation of piping flaws is established.
应用BP神经网络进行了管道缺陷参数的定量识别，识别结果的误差小于10%，完全满足实际检测的要求。
Use BP neural network to quantitatively recognize pipeline defect parameter, the error of recognition result is below 10%, and requirement of practical inspection can be completely fulfilled.
为了验证系统的有效性，在实验室内作了大量的超声检测实验。实验结果表明，系统对管道缺陷具有较高的分类性能。
To validate this system, some experiments are performed and the results show the proposed system has very high identification performance for pipeline flaws and outperforms other discussed methods.
为克服现有导波检测技术对管道小缺陷检测的不足，给出了一种基于时间反转理论的管道缺陷超声导波无损检测方法。
The finite element method is used to investigate the effect of a time reversal method on the guided wave inspection in pipes.
本文重点介绍了石油天然气输送管道缺陷评定方法，简要分析了应用R6方法的缺陷评定过程并对典型缺陷进行了评定。
This article introduces the defects evaluation method for oil and gas pipeline, and analyzes the R6 method defects evaluation process, meanwhile the typical defects are evaluated.
陪审团发现科赫工业公司已经意识到使用有缺陷管道的极端风险仍蓄意使用。
The jury found that Koch Industries acted with malice because it had been aware of the extreme risks of using the faulty pipeline.
利用这一模型，研究了腐蚀速率、缺陷深度、管道壁厚和工作压力等因素对管线可靠性的影响。
The effects of corrosion rate, defect depth, thickness of pipe and operation pressure on pipeline reliability were investigated with this model.
腐蚀缺陷的破裂是管道的主要失效形式。
The rupture of corroded defects is the primary failure of pipelines.
结果表明，焊缝存在的未焊透缺陷不影响管道的安全运行。
The results showed the existence of the flaw would not effected the safe operation of the piping.
超声检测是油气管道环焊缝缺陷检测的一项重要技术。
Ultrasonic testing is an important flaw detection technology of oil and gas pipeline girth welds.
分析了室内外乙炔管道的安装缺陷，提出了具体的防治措施。
This analyzes the installation defects of acetylene pipelines inside and outside the room, and advances some preventing measures.
对国内外关于含缺陷压力管道可靠性的研究进行了总结，分析了其局限性，进而提出了今后的研究方向。
The reliability researches in pressure piping containing defects were summarized. Their limitations have been discussed, and the future research tendency was proposed.
首次采用有限元分析方法对靖边气田典型性腐蚀缺陷管道及设备进行了安全性评价。
Safety evaluation were carried out on the typical corrosion defect of Pipelines and facilities by finite element analysis method in Jingbian gas field for the first time.
另外根据结构可靠性原理，针对带腐蚀缺陷管道的建立了可靠性概率模型。
In addition according to structure reliability principles, the reliability probability model aimed to the pipes with corrosion defects is also built.
本文讨论不锈钢管道焊缝热影响区内缺陷的超声波检测方法，应用着色渗透探伤对解剖后的样品进行了验证，证明超声波探伤法的可行性。
Ultrasonic detection of defects in heat-affected zones of stainless steel pipe welds is discussed. The feasibility of the method is verified by penetrant inspection of dissected pipes.
在使用R 6方法的压力容器和管道结构完整性评估过程中，含缺陷圆筒的极限载荷是一个非常重要的输入参量。
The limit load of a defective cylinder is a very important input in a structural integrity assessment of a pressure vessel or pipe using R6 type procedure.
压力管道TIG焊在焊接中焊道背部易出现缺陷，用反向送丝的方法成功地解决了这一问题。
It easy to occur defect on the back of bead in pressure pipe TIG welding, which can be solved by using the anti, direction wire feeding method successfully.
通过长期检测数据积累，将有缺陷的和经过解剖对比的石油管道图形曲线资料输入计算机作为缺陷类型模板。
The curves of the detecting data of the pipes with flaws accumulated have been imported into computer as flaw patterns.
最后通过含缺陷管道室内修复试验和水压爆破试验，研究复合材料修复技术的施工工艺和修复补强效果。
The process and effection of composite reinforcement system were studied by pipeline reinforcement room experiment and pipeline water stress experiment.
摘要：简述了计算机控制的超声导波检测技术在管道腐蚀缺陷检测中的重要意义。
Abstract: : Summarize the significance of computer control ultrasonic guided waves technique to the detection of oil pipeline erosion defects.
采用有限元方法对一条含未焊透缺陷的压力管道进行了强度分析与安全评定。
By using finite element method, a pressure piping with incomplete welding flaw was analyzed in strength and assessed in safety.
结合铝合金管道焊接中常见的缺陷。从选材、清洗、焊接等环节简述了提高铝镁合金的焊接质量控制措施。
This paper, combining with the common defects in Al-Mg alloy welding, proposes measures to improve Al -Mg alloy welding quality from the aspects of material selection, washing and welding steps, etc.
实验结果表明，采用上述方法后系统性能得到很大提高，可以有效检测出管道外壁的细微缺陷。
Experimental results show the system performance is greatly improved by the above mentioned methods and the fine defects in the tube's outer wall can be detected reliably.
实际算例表明，该方法用于含缺陷焊接管道可靠性安全评定简单、有效、准确。
The examples show that this method is simple, efficient and accurate for reliability safety assessment of the welded pipes with cracks.
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