NPS 4 Class 150 bolted flanged joints subjected to pressure and external bending loads

被引：0

作者：

Marchand, Luc ^{[1
]}

Laviolette, Daniel ^{[1
]}

Derenne, Michel ^{[1
]}

机构：

[1] Tightness Test./Research Laboratory, Ecole Polytechnique, Montreal, Que., Canada

来源：

Welding Research Council Bulletin | 2000年 / 450期

关键词：

Bending moments - Compressive stress - Flanges - Pressure effects - Stress concentration - Stress relaxation - Welds;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The effect of external bending moments on the behavior of two types of ASME NPS 4 class bolted flanged joints was investigated. The joints with weld neck flanges and another with lap joint flanges were tested under three different initial bolt stress levels. During the tests, the joint leak rate, the gasket contact stress distribution, the bolt loads, and the flange rotations were recorded as a function of the bending moment applied. The available test results show that this method gives the conservative estimates that are too simplistic for the accurate joint tightness calculations.

引用

页码：1 / 20

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