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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제21권 제4호
- 발행연도
- 2020.1
- 수록면
- 419 - 426 (8page)
이용수
초록· 키워드
오류제보하기
In order to investigate the 2D mechanical response of fl exible buried pipeline beneath roadway under static loads, taken high density polyethylene as object, ANSYS fi nite element commercial software is employed to construct pipe-soil interacting coupled model. By means of newly developed model, the infl uence of burial depth, diameter of pipe and modulus of backfilled earth on deformation and mechanical characteristics of pipe is studied. Furthermore the viscoelastic properties of tubular product are considered to simulate creep deformation of pipe under constant loading. These results indicate that: (1) the maximum vertical displacement and Von Mises stress appear at top of pipe and side of internal surface of pipe, respectively; (2) the viscoelastic properties significantly improve the safety of pipe; (3) even if burial depth does not have signifi cant effect on mechanical characteristics of pipe, there is optimal burial depth; (4) the greater the diameter of conduits, the larger modulus backfi lled earth, the more diffi cult it is to destroy pipe breaks.
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참고문헌 (17)
참고문헌 신청
D. K. Khatri / 2013 / Laboratory evaluation of deformations of steel-reinforced high-density polyethylene pipes under static loads / J. Mater. Civ. Eng 25(12):1964~1969
F. Li / 2019 / Analysis on accident-causing factors of urban buried gas pipeline network by combining DEMATEL, ISM and BN methods / J. Loss Prev. Process Ind 61:49~57
Z.Y. Han / 2011 / Comparison study on qualitative and quantitative risk assessment methods for urban natural gas pipeline network / J. Hazard. Mater 189(1?2):509~518
X. Liu / 2018 / Mechanical response of buried polyethylene pipelines under excavation load during pavement construction / Eng. Fail. Anal 90:355~370
D.C. Brooker / 2003 / Numerical modelling of pipeline puncture under excavator loading Part I Development and validation of a fi nite element material failure model for puncture simulation / Int. J. Press. Vessels Pip 80(10):715~725
F. Li / 2019 / Analysis on accident-causing factors of urban buried gas pipeline network by combining DEMATEL, ISM and BN methods / J. Loss Prev. Process Ind 61:49~57
Z.Y. Han / 2011 / Comparison study on qualitative and quantitative risk assessment methods for urban natural gas pipeline network / J. Hazard. Mater 189(1?2):509~518
X. Liu / 2018 / Mechanical response of buried polyethylene pipelines under excavation load during pavement construction / Eng. Fail. Anal 90:355~370
D.C. Brooker / 2003 / Numerical modelling of pipeline puncture under excavator loading Part I Development and validation of a fi nite element material failure model for puncture simulation / Int. J. Press. Vessels Pip 80(10):715~725
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