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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.25 No.1
- 발행연도
- 2017.1
- 수록면
- 57 - 65 (9page)
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초록· 키워드
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The fatigue fracture of studs is the main reason for failure of composite beams based on massive engineering practices. Hence, studying the laws of cracks initiation and propagation are of great directive significance. eXtended Finite Element Method (XFEM) is an effective method in solving moving discontinuous problems in recent years. This paper extends our recent work on the fatigue damage analysis of stud shear connectors in the steel and crumble rubber concrete (RRFC) composite beams based on XFEM. The process of crack initiation to failure of the stud is simulated and an effective calculation criteria for the fatigue life of the composite beams is put forward. After the reliability of the numerical analysis is verified based on tests results, the extensive parametric study is conducted concerning effects of different rubber contents, shear connection degrees and the stress amplitudes. Results show that with the increasing rubber contents and shear connection degrees, the fatigue lives of composite beams increase obviously. Furthermore, the relationship between the fatigue life of the stud at the edge of the shear span and the whole composite beams is studied. Finally, the S-N curves of the single stud and the whole composite beams are put forward based on XFEM.
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참고문헌 (30)
참고문헌 신청
AASHTO LRFD / 2004 / Bridge design specifications / American Association of State Highway and Transportation Officials
Belytschko, T. / 1999 / Elastic crack growth in finite elements with minimal remeshing / Int. J. Numer. Meth. Eng 45(5):601~620
Daux, C. / 2000 / Arbitrary branched and intersecting cracks with the extended finite element method / Int. J. Numer. Meth. Eng 48(12):1741~1760
Dolbow, J. / 2000 / Modeling fracture in mindlin–reissner plates with the extended finite element method / Int. J. Solids Struct 37(48-50):7161~7183
Dolbow, J. / 2001 / An extended finite element method for modeling crack growth with frictional contact / Comput. Method. Appl. M 190(51-52):6825~6846
Belytschko, T. / 1999 / Elastic crack growth in finite elements with minimal remeshing / Int. J. Numer. Meth. Eng 45(5):601~620
Daux, C. / 2000 / Arbitrary branched and intersecting cracks with the extended finite element method / Int. J. Numer. Meth. Eng 48(12):1741~1760
Dolbow, J. / 2000 / Modeling fracture in mindlin–reissner plates with the extended finite element method / Int. J. Solids Struct 37(48-50):7161~7183
Dolbow, J. / 2001 / An extended finite element method for modeling crack growth with frictional contact / Comput. Method. Appl. M 190(51-52):6825~6846
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