Numerical evaluation of buried composite and steel pipe structures under the effects of gravity

William Toh; Long Bin Tan; Kwong Ming Tse; Karthikayen Raju; Heow Pueh Lee; Beng Chye Tan

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자료유형: 학술저널

저자정보: William Toh (National University of Singapore) Long Bin Tan (National University of Singapore) Kwong Ming Tse (National University of Singapore) Karthikayen Raju (National University of Singapore) Heow Pueh Lee (National University of Singapore) Beng Chye Tan (National University of Singapore)

저널정보: 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.26 No.1

발행연도: 2018.1

수록면: 55 - 66 (12page)

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In this paper, the response of an underground fibreglass reinforced plastic (FRP) composite pipe system subjected to realistic loading scenarios that may be experienced by an actual buried pipeline is investigated. The model replicates an arbitrary site with a length of buried pipeline, passing through a 90° bend and into a valve pit. Various loading conditions, which include effects of pipe pressurization, differences in response between stainless steel and fibreglass composite pipes and severe loss of bed-soil support are studied. In addition to pipe response, the resulting soil stresses and ground settlement are also analysed. Furthermore, the locations of potential leakage and burst have also been identified by evaluating the contact pressures at the joints and by comparing stresses to the pipe hoop and axial failure strengths.

참고문헌 (34)

참고문헌 신청

Almahakeri, M. / 2012 / The flexural behavior of buried steel and composite pipes pulled relative to dense sand: experimental and numerical investigation / Proceedings of the 9th International Conference on Pipelines IPC2012

Alzabeebee, S. / 2016 / Investigating the response of rigid pipes with poor haunch support subjected to trafficlive load using numerical modeling / 11th Pipeline Technology Conference

Ameron / 2008 / Bondstrand 2000, 4000 and 7000 Glass Fiber Reinforced Epoxy (GRE) Pipe Systems for General Service

Armstrong, K.B. / 2005 / Care and Repair of Advanced Composites / SAE International

Bai, Y. / 2016 / Confined collapse of unbonded multi-layer pipe subjected to external pressure / Compos. Struct. 158:1~10

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