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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.24 No.5
- 발행연도
- 2017.1
- 수록면
- 615 - 633 (19page)
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초록· 키워드
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Fatigue crack initiated in welded tubular joints due to cyclic loading may produce harmful effect on the integrity of the tubular structures. To study such effect, both fatigue and static tests on nine circular tubular T-joint specimens made of carbon steel materials were carried out. The specimens were subjected to tensile loading in both fatigue and static tests. The load-displacement relation, the crack propagation and the failure mode of the specimens are all analyzed. The deterioration of the static strength of the cracked T-joints is also investigated and evaluated through an area reduction factor. Experimental results indicate that the static strength of a tubular T-joint with a surface crack seems to decrease slightly while a through crack has relatively remarkable effect on the reduction of the static strength. Additionally, experimental results also show that the toughness of the materials and the geometry of the specimens play an important role on the failure process of cracked tubular T-joints.
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참고문헌 (35)
참고문헌 신청
Bjork, T. / 2008 / Assessment of subzero fracture of welded tubular K-joint / J. Struct. Eng 134(2):181~188
Borges, L. / 2012 / Advanced numerical modelling of cracked tubular K-joints : BEM and FEM comparison / J. Bridge Eng 17(3):432~442
2013 / BS7910, Guide to methods for assessing the acceptability of flaws in metallic structures / BSI Standards Publication
Chiew, S. P. / 2004 / Fatigue performance of cracked tubular T-joints under combined loads. I : Experimental / J. Struct. Eng 130(4):562~571
Chiew, S. P. / 2009 / Fatigue study of partially overlapped CHS K-joints. Part II : experimental study and validation of numerical models / Eng. Fract. Mech 76(16):2408~2428
Borges, L. / 2012 / Advanced numerical modelling of cracked tubular K-joints : BEM and FEM comparison / J. Bridge Eng 17(3):432~442
2013 / BS7910, Guide to methods for assessing the acceptability of flaws in metallic structures / BSI Standards Publication
Chiew, S. P. / 2004 / Fatigue performance of cracked tubular T-joints under combined loads. I : Experimental / J. Struct. Eng 130(4):562~571
Chiew, S. P. / 2009 / Fatigue study of partially overlapped CHS K-joints. Part II : experimental study and validation of numerical models / Eng. Fract. Mech 76(16):2408~2428
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