본문 바로가기
HOME> 논문 > 논문 검색상세

논문 상세정보

유한요소법에 의한 튜블라 이음부의 응력집중계수 및 피로강도 해석
A Study on the Stress Concentration Factor and Fatigue Strength for T-Tubular Joints by FEM

엄동석    (부산대학교, 공과대학   ); 강성원    (대우중공업㈜선박해양연구소   ); 하우일    (현대중공업㈜선박해양연구소  );
  • 초록

    In designing, the strength of tubular joint has been an important problem for integrity of steel structures in which many tubular members are used. This paper presents the results of FEM analysis on stress concentration and fatigue crack initiation life for two types of tubular joints. One is circular and rectangular T type joints which consist of circular brace and rectangular chord. Another is circular and circular T type joints which consist of circular brace and circular chord. FEM analyses were performed under the axial load and in-plane bending moment. The fatigue crack initiation life can be estimated by using $\varepsilon$ -N curve and by applying the Palmgren-Miner linear damage rule. According to the results, the stress concentration factor(SCF) of circular and rectangular joints is higher than that of circular and circular joints. The fatigue crack initiation lives of circular-circular joints and circular-rectangular joints were calculated.


  • 주제어

    튜블라 이음부 .   응력집중계수 .   피로균열발생수명 .   e-N 선도 .   코드 .   브레이스 .   축하중 .   면내굽힘하중 .   Tubular joint .   Stress concentration factor .   Fatigue crack initiation life .   e-N curve .   Chord .   Brace .   Axial load .   In-plane bending load.  

  • 참고문헌 (19)

    1. Fatigue Handbook , Almar=Naess,A. , TAPIR / v.,pp.313-316,
    2. Marshall.P.W. , Design of Welded Tubular Connections / v.,pp.147-180,
    3. Stress Concentrations at Unstiffened Tubular Joints , Wordsworth,A.C.;Smedley,G.P. , Europe Offshore Steel Research Seminar. Paper 31 / v.,pp.1-7,
    4. Stress Concentrations in T/Y and Gap/Overlap K-Joints , Efthymiou,M.;Durkin,S , Behavior of Offshore Structures (BOSS) / v.,pp.429-440,
    5. SCF Equations for T and K Square Tubular Welded Joints , Soh,A.K.;Too,H.K.;Wong,C.F. , OMAE / v.,pp.247-254,
    6. Combined Hot-spot Stress Procedure for Tubular Joints , Buitrago J(et al.) , OTC 4775 / v.,pp.408-419,
    7. Gurney,T.R. , Fatigue of Welded Sructures / v.,pp.176-189,
    8. Fatigue Strength Analysis for Mobile Offshore Units , DnV. , Classification Note 30.2 / v.,pp.5-60,
    9. Underwater Enhineering Group , Design of Tubular Joints for Offshore Structure / v.,pp.5-60,
    10. On the Structural Design of Tubular Joints , Visser,W.;Koninkijke , OTC 2117 / v.,pp.881-894,
    11. Stress Concentration in Tubular Joints , Kuang,J.G.;Potvin,A.B.;Leick,R.D. , OTC 2205 / v.,pp.593-612,
    12. EMRC , Fatigue User`s Mannual of NISA / v.,pp.,
    13. Stress Analysis Method for Tubular Connections , Clayton.A.M.;Irvine,N.M. , Europe Offshore Stell Research Seminar. Paper 30. / v.,pp.1-12,
    14. Rolfe;Barsom , Fatigue and Fracture Mechanics / v.,pp.30-88,
    15. Stress Concentration Factors at K and KT Tubular Joints , Wordsworth,A.C. , Thomas Telford Ltd. / v.,pp.59-69,
    16. Fatigue Strength of Welded Tubular Joints of Offshore Structures , Ohta,T.;Onogi,H.;Ishikawa,K.;Yamauchi,H.;Toyofuku,M. , NKK Report / v.,pp.85-94,
    17. Parametic Stress Analysis of T Joints , Gibstein,M.B. , Europe Offshore Steel Research Seminar. Paper 26 / v.,pp.1-15,
    18. Fatigue Analysis of the Cognac Platform , Kinra,R.K.;Marshall.P.W. , OTC 3378 / v.,pp.169-185,
    19. Improved Fatigue Life Estimation of Tubular Joints , Lalani,M.;Tebbett,I.E. , OTC 5306 / v.,pp.133-146,

 활용도 분석

  • 상세보기

    amChart 영역
  • 원문보기

    amChart 영역

원문보기

무료다운로드
  • NDSL :
유료다운로드

유료 다운로드의 경우 해당 사이트의 정책에 따라 신규 회원가입, 로그인, 유료 구매 등이 필요할 수 있습니다. 해당 사이트에서 발생하는 귀하의 모든 정보활동은 NDSL의 서비스 정책과 무관합니다.

원문복사신청을 하시면, 일부 해외 인쇄학술지의 경우 외국학술지지원센터(FRIC)에서
무료 원문복사 서비스를 제공합니다.

NDSL에서는 해당 원문을 복사서비스하고 있습니다. 위의 원문복사신청 또는 장바구니 담기를 통하여 원문복사서비스 이용이 가능합니다.

이 논문과 함께 이용한 콘텐츠
이 논문과 함께 출판된 논문 + 더보기