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TECHNICAL PAPERS

Fatigue Test Data for Welded Connections in Ship-Shaped Structures

[+] Author and Article Information
W. S. Kim

 HHI, Ulsan, Koreahdwskim@hhi.co.kr

I. Lotsberg

 DNV, Oslo, Norwayinge.lotsberg@dnv.com

J. Offshore Mech. Arct. Eng 127(4), 359-365 (May 23, 2005) (7 pages) doi:10.1115/1.2087507 History: Received April 12, 2005; Revised May 23, 2005

Five different specimens representing different typical welded connections in ship-shaped structures were fatigue-tested by HHI in Korea. The test data from the five different specimens for one loading condition were transferred into one hot spot S-N diagram. It was observed that two of the data series plotted rather high in the S-N diagram as compared with the other three test series. The reason for this was questioned. It was decided to test a few specimens at another test laboratory for verification of the test data. The same types of specimens were fabricated by HHI and shipped to Oslo and fatigue-tested in the laboratories of DNV. The results from this fatigue testing are presented in this paper in addition to the original fatigue test data from HHI.

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Copyright © 2005 by American Society of Mechanical Engineers
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Figures

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Figure 6

Fatigue test data for model 4

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Figure 7

Fatigue test data for model 5

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Figure 8

Locations of strain gauges for specimens of A1 and A3

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Figure 9

Strain data for specimens of A1 and A3

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Figure 10

Fatigue test results of model 4 specimens

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Figure 11

Locations of strain gauges for specimens of B1 PWHT, B2 PWHT, B3, and B4

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Figure 12

Strain data for specimens of B1 PWHT, B2 PWHT, B3, B4, and HHI

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Figure 13

Fatigue test results for model 5 specimens

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Figure 5

Fatigue test data for model 3

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Figure 4

Fatigue test data for model 2

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Figure 3

Fatigue test data for model 1

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Figure 2

Fatigue test conditions

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Figure 1

Specimens tested by HHI in phase I

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