ANALYSIS OF THE RELATIONSHIP BETWEEN BENDCRACKING OF PIPELINE AND STATE OF PIPE SUPPORT AND HANGER

ZHANG Yijie; MA Hong

doi:10.19666/j.rlfd.2006.09.021

English

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ANALYSIS OF THE RELATIONSHIP BETWEEN BENDCRACKING OF PIPELINE AND STATE OF PIPE SUPPORT AND HANGER

Thermal Power Generation Issue 9, Pages: 61-62(2006)

更新时间：2025-09-28

- ANALYSIS OF THE RELATIONSHIP BETWEEN BENDCRACKING OF PIPELINE AND STATE OF PIPE SUPPORT AND HANGER
- 作者机构：
  
  1. 三河发电有限责任公司
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2006.09.021
  CLC： TM621.72
- Published：2006
- 稿件说明：
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ZHANG Yijie, MA Hong. ANALYSIS OF THE RELATIONSHIP BETWEEN BENDCRACKING OF PIPELINE AND STATE OF PIPE SUPPORT AND HANGER[J]. Thermal Power Generation, 2006, (9): 61-62.
DOI：

ZHANG Yijie, MA Hong. ANALYSIS OF THE RELATIONSHIP BETWEEN BENDCRACKING OF PIPELINE AND STATE OF PIPE SUPPORT AND HANGER[J]. Thermal Power Generation, 2006, (9): 61-62. DOI： 10.19666/j.rlfd.2006.09.021.

摘要

针对管道弯管出现裂纹问题

分别计算了支吊架设计状态和缺陷状态下的管道应力。分析表明

支吊架缺陷与弯管裂纹无直接关系

但支吊架缺陷使原设计中薄弱部位的应力超过允许值

使该部位的疲劳寿命有所降低

应加强对该部位的监督。

Abstract

Directing against the problem of bendcracking on pipelines

the pipeline stress under designed condition and defective condition of the pipe support and hanger has been calculated respectively based on operational state of said pipe support and hanger. Analysis shows that the defect of pipe support and hanger hasn’t direct relationship with the bendcracking

but the defect of pipe support and hanger makes the stress of weak part in the original design to exceed the allowable value

causing the fatigue life of said part to decrease to some extent

hence

supervisory for the said part has to be strengthened.

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