Estimation of ultimate pressure for a pipe with a dent

被引：0
|
作者：
Orynyak, I.V. [1 ]
Shlapak, L.S. [1 ]
机构：
[1] Inst. Problem Prochnosti, NAN Ukrainy, Kiev, Ukraine
来源：
Problemy Prochnosti | 2001年 / 05期
关键词：
Defects - Ductility - Estimation - Fracture - Mathematical models - Plasticity - Pressure - Strength of materials;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The topicality of the determination of ultimate load of ductile fracture for defects such as dents in pipelines is noted. An idealized model of ultimate plastic state of a pipe with a dent infinite in longitudinal direction is suggested. To assess the effect of the finite length of a dent a simplified model for a rectangular dent is proposed. Practical equations for calculating the remaining strength are derived and analyzed in the absence of axial stresses.
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页码：101 / 110
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