DISCUSSION ON RELATIONS BETWEEN STRESS,THERMAL DISPLACEMENT AND RESTRAINTS OF MAIN STEAM PIPE

doi:10.19666/j.rlfd.1992.05.008

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DISCUSSION ON RELATIONS BETWEEN STRESS,THERMAL DISPLACEMENT AND RESTRAINTS OF MAIN STEAM PIPE

Thermal Power Generation Issue 5, Pages: 45-50(1992)

更新时间：2025-09-28

- DISCUSSION ON RELATIONS BETWEEN STRESS,THERMAL DISPLACEMENT AND RESTRAINTS OF MAIN STEAM PIPE
- 作者机构：
  
  能源部西安热工研究所
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.1992.05.008
  CLC：
- Published：1992
- 稿件说明：
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DISCUSSION ON RELATIONS BETWEEN STRESS,THERMAL DISPLACEMENT AND RESTRAINTS OF MAIN STEAM PIPE[J]. Thermal Power Generation, 1992, (5): 45-50.
DOI：

DISCUSSION ON RELATIONS BETWEEN STRESS,THERMAL DISPLACEMENT AND RESTRAINTS OF MAIN STEAM PIPE[J]. Thermal Power Generation, 1992, (5): 45-50. DOI： 10.19666/j.rlfd.1992.05.008.

摘要

根据几台电站锅炉主蒸汽管的实测工作应力

对以下问题进行了探讨:管道应力在启动过程中的变化趋势;管道应力与热位移和约束的关系;管系中某些部件损伤的主要原因等。这可供发电厂管道设计和生产运行

以及残余寿命估计时参考。

Abstract

Based on field measurements on several utility boilers

the following problem were studied: （1） the tendency of stress variation in steam pipe during unit start-up; （2） the relations between pipe stress

thermal displacement and restraints; （3） the major causes for component failure in the piping system. The result of this study is of important reference for the design of piping system and for the residual life assessment as well.

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