[1]徐 婷,丁 飞,操建平 编译.高纵向应变下管道凹坑的评价方法[J].焊管,2020,43(2):61-68.
　XU Ting,DING Fei,CAO Jianping.Assessment of Dents under High Longitudinal Strain[J].,2020,43(2):61-68.
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高纵向应变下管道凹坑的评价方法()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
43
期数:
2020年第2期
页码:
61-68
栏目:
国外焊管
出版日期:
2020-02-28

文章信息/Info

Title:
Assessment of Dents under High Longitudinal Strain
作者:
徐 婷1; 丁 飞2; 操建平2 编译
1. 中国石油集团石油管工程技术研究院， 西安 710077；
2. 中国石油勘探开发研究院 石油工业标准化研究所， 北京 100083
Author(s):
XU Ting1;  DING Fei2;  CAO Jianping2
1. CNPC Tubular Goods Research Institute，Xi’an 710077，China; 2. Petroleum Standardization Research
Institute of Research Institute of Petroleum Exploration & Development，Beijing 100083，China
关键词:
管道; 高纵向应变; 管道凹坑; 评价
Keywords:
pipeline; high longitudinal strain; dents; assessment
文献标志码:
A
摘要:
管道施工建设和服役期间发生的外部干扰经常会导致管道产生凹坑，在地面运动和地震活动区域，管道也会产生高纵向应变。在假定主要载荷为内压且纵向应变水平较低的情况下，开发并验证了目前的凹坑评价方法，凹坑在高纵向应变下的行为尚不清楚。讨论了由美国DOT（美国交通运输部）和PHMSA（美国管道与危险材料安全管理局）资助的关于高纵向应变下凹坑评价准则。通过参数数值分析，确定并研究了带凹坑管道中，控制压缩应变能力（CSC）的关键参数和原理。通过参数分析和全尺寸验证试验，制定了高纵向应变条件下带凹坑钢管的CSC评价方法。
Abstract:
External disturbances during the construction and service often lead to pits in the pipeline and the high longitudinal strain can happen in the area of the ground motion and seismic activity. Under the assumption that the main load is internal pressure and the longitudinal strain is low，the present method of the pit evaluation is developed and validated，but the behavior of the pits under the high longitudinal strain is unknown. This paper discusses the pits assessment under the high longitudinal strain funded by DOT (U.S. department of transportation) and PHMSA (U.S. pipeline and hazardous materials safety administration). Through the parameter numerical analysis，the key parameters and principles of the controlling compressive strain capacity(CSC) in the pipe with pits were determined and studied. Through the parameter analysis and the full-size verification test，the CSC assessment of the steel tubes with pits under the high longitudinal strain was developed.

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期：2019-06-03

作者简介：徐   婷（1981—），女，硕士，高级工程师，主要从事石油管工程标准化工作。

更新日期/Last Update: 2020-04-03