On the fatigue behavior of duplex and high-strength welded cruciform joints

被引：9
|
作者：
Karabulut, Burak [1 ]
Rossi, Barbara [1 ,2 ]
机构：
[1] KU Leuven Belgium, Dept Civil Engn, Jan Pieter de Nayerlaan 5, St Katelijne Waver, Belgium
[2] Univ Oxford, Dept Engn Sci, Oxford, England
来源：
ENGINEERING STRUCTURES | 2021年 / 247卷
关键词：
Fatigue assessment; Duplex stainless steel; Welded cruciform joint; Hot spot stress method; Digital image correlation (DIC); STAINLESS-STEEL; LIFE ASSESSMENT; STRESS; BRIDGES; DETAILS;
D O I：
10.1016/j.engstruct.2021.113161
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents outcome of a research which investigates the fatigue behaviour of duplex stainless steel grade (EN 1.4162) via cyclic tests on welded cruciform joints and base plates. A database of experimental tests for similar high-strength steel details was also collated from the literature. The obtained experimental S-N curve was then compared to the current European design ones and re-evaluated according to the hot spot stress method. A good agreement was observed between the studied detail performance and the collated reference data. Improvement to the fatigue design rules for the studied duplex and similar high-strength steel details is then proposed.
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页数：14
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