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Pipelines & subsea
The train, or the construction?
Buried gas pipeline under a new railway · narrated
- Duration
- 1:24
- Year
- 2026
The case
What is harder on a buried pipeline: the train, or building the track? The train, on firm ground with 2 m of cover: 8 mm/s of vibration and negligible fatigue damage over 50 years. Construction: with 0.9 m of cover a vibratory roller sends 60 mm/s to the pipe, and raising the embankment on soft soil settles the ground 12 cm and bends the pipe to 117 MPa.
Topics
- Pipeline crossings
- Settlement
- Narrated explainer
Basis. Generic synthetic case built for this piece. No client data. Not a design verification.
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