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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.12
- 수록면
- 65 - 72 (8page)
이용수
초록· 키워드
오류제보하기
There are numerous factors that affect stress distribution in a buried pipe, such as the shape, size, and stiffness of the pipe, its burial depth, and the stiffness of the surrounding soil. In addition, the pipe can benefit from the soil arching effect to some extent, through which the overburden and surcharge pressure at the crown can be carried by the adjacent soil. As a result, the buried pipe needs to support only a portion of the load that is not transferred to the adjacent soil. This paper presents numerical efforts to investigate the stress distribution in the buried concrete pipe under various environmental conditions. To that end, a nonlinear elasto-plastic model for backfill materials was implemented into finite element software by a user-defined subroutine (user material, or UMAT) to more precisely analyze the soil behavior surrounding a buried concrete pipe subjected to surface loading. In addition, three different backfill materials with a native soil were selected to examine the material-specific stress distribution in pipe. The environmental conditions considering in this study the loading effect and void effects were investigated using finite element method. The simulation results provide information on how the pressures are redistributed, and how the buried concrete pipe behaves under various environmental conditions.
목차
ABSTRACT
1. Introduction
2. Finite element modeling
3. Simulation results
4. Summary and Conclusions
References
참고문헌 (12)
참고문헌 신청
[학술지(정기간행물)] - Duncan, J. M. / 1970 / Nonlinear analysis of stress and strain in soils / Journal of Soil Mechanics and Foundations Division, ASCE 95 (5) : 1629 ~ 1653
[학위논문] - McGrath, T. J. / 1998 / Pipe-soil interactions during backfill placement / 박사 / University of Massachusetts
[학술지(정기간행물)] - Pettibone, C. H. / 1976 / Distribution of soil pressures on concrete pipe / Journal of Pipeline Division, ASCE 93 (2) : 85 ~ 102
[학술지(정기간행물)] - Potter, J. C. / 1985 / Effects of vehicles on buried high pressure pipe / Journal of Transportation Engineering 111 (3) : 224 ~ 235
[학술지(정기간행물)] - Rajani, B. / 1996 / Pipe-soil interaction analysis of jointed water mains / Canadian Geotechnical Journal 33 : 393 ~ 404
[학위논문] - McGrath, T. J. / 1998 / Pipe-soil interactions during backfill placement / 박사 / University of Massachusetts
[학술지(정기간행물)] - Pettibone, C. H. / 1976 / Distribution of soil pressures on concrete pipe / Journal of Pipeline Division, ASCE 93 (2) : 85 ~ 102
[학술지(정기간행물)] - Potter, J. C. / 1985 / Effects of vehicles on buried high pressure pipe / Journal of Transportation Engineering 111 (3) : 224 ~ 235
[학술지(정기간행물)] - Rajani, B. / 1996 / Pipe-soil interaction analysis of jointed water mains / Canadian Geotechnical Journal 33 : 393 ~ 404
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UCI(KEPA) : I410-ECN-0101-2017-532-001925659