Field Experiment on Behavior of Continuous Water Main with a Miter Bend

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by Nobuhisa Suzuki, Japan Assoc of Water Steel Pipe, Japan,
Hiroshi Shima, Japan Assoc of Water Steel Pipe, Japan,
Yoshiyuki Mohri, Japan Assoc of Water Steel Pipe, Japan,

Document Type: Proceeding Paper

Part of: Pipeline Design and Installation:

Abstract: A field experiment was conducted to investigate behaviors of a buried continuous steel water main with a 90-degree miter bend subjected to internal pressure and ground settlement. Deformations of the pipe during backfilling are also discussed. A 812.8mm (32-inch) outside diameter, 7.0mm (0.276-inch) wall thickness and 50m (164 feet) long test pipe was used for the experiment. The ground settlement effect was created by dissolving a salt layer compacted beneath the test pipe. Displacements, deformations and strains induced in the test pipe were measured and the data were compared with a nonlinear finite element solution.

Subject Headings: Soil settlement | Pipelines | Buried pipes | Steel pipes | Water supply systems | Deformation (mechanics) | Pressure pipes | Field tests |

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