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Scouring damage to buried pipes caused by leakage jets: experimental study

Scouring damage to buried pipes caused by leakage jets: experimental study
Scouring damage to buried pipes caused by leakage jets: experimental study

This paper reports on an experimental study on the scouring of pipe materials on the outside of leaks caused by soil fluidization. A base experiment was designed consisting of a 3 mm diameter hole angled at 45° to the horizontal in a 110 mm diameter unplasticized polyvinyl chloride (uPVC) pipe. Five parameters were investigated in a sensitivity analysis: soil particle size, leakage flow rate, leak orientation, cover depth, and pipe material. The development of the scour patterns was measured at regular intervals. It was found that the leak jet orientation had the greatest impact on the scouring rate, followed by the leakage flow rate, sand particle size, pipe material, and cover depth.

1949-1190
1-11
Pike, S.M.
d4a9eb3a-af1e-4ff9-8339-0cd57f666703
van Zyl, J.E.
1c80be58-ce15-49dd-a65f-e63605673332
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869
Pike, S.M.
d4a9eb3a-af1e-4ff9-8339-0cd57f666703
van Zyl, J.E.
1c80be58-ce15-49dd-a65f-e63605673332
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869

Pike, S.M., van Zyl, J.E. and Clayton, C.R.I. (2018) Scouring damage to buried pipes caused by leakage jets: experimental study. Journal of Pipeline Systems Engineering and Practice, 9 (4), 1-11, [04018020]. (doi:10.1061/(ASCE)PS.1949-1204.0000328).

Record type: Article

Abstract

This paper reports on an experimental study on the scouring of pipe materials on the outside of leaks caused by soil fluidization. A base experiment was designed consisting of a 3 mm diameter hole angled at 45° to the horizontal in a 110 mm diameter unplasticized polyvinyl chloride (uPVC) pipe. Five parameters were investigated in a sensitivity analysis: soil particle size, leakage flow rate, leak orientation, cover depth, and pipe material. The development of the scour patterns was measured at regular intervals. It was found that the leak jet orientation had the greatest impact on the scouring rate, followed by the leakage flow rate, sand particle size, pipe material, and cover depth.

Full text not available from this repository.

More information

Accepted/In Press date: 23 February 2018
e-pub ahead of print date: 24 July 2018
Published date: 1 November 2018

Identifiers

Local EPrints ID: 425603
URI: http://eprints.soton.ac.uk/id/eprint/425603
ISSN: 1949-1190
PURE UUID: 794aa164-7258-4165-9782-8c58612312c6
ORCID for C.R.I. Clayton: ORCID iD orcid.org/0000-0003-0071-8437

Catalogue record

Date deposited: 25 Oct 2018 16:30
Last modified: 07 Oct 2020 01:44

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