Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
FATIGUE STRENGTH OF UNDER-MATCHED WELDED JOINTS APPLIED TO LOAD-CARRYING CRUCIFORM FILLET WELDED JOINTS
Koji KINOSHITAShinpei ARAKAWATakashi MORI
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JOURNALS FREE ACCESS

2011 Volume 18 Issue 69 Pages 69_33-69_40

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Abstract

The purpose of this research is to examine fatigue strength of under-matched welded joints applied to load-carrying cruciform fillet welded joints made of high strength steel. First, in order to grasp influences of the magnitude of stress concentration on differences between fatigue strength of under-matched welded joints and over-matched welded joints, fatigue tests under axial loading and bending were carried out. Next, fatigue test data obtained this research were compared with results reported in previous research. Based on the comparisons, fatigue strength of under-matched welded joints is similar to that of over-matched welded joints not depending on the magnitude of stress concentration.

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© 2011 Japanese Society of Steel Construction
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