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Home » Case studies » Alameda Siphon Water Buried Pipeline Strain and Deformation Monitoring – USA

Alameda Siphon Water Buried Pipeline Strain and Deformation Monitoring – USA

Published on March 29 2022
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Aimed to protect and preserve the local environment and proactively manage the safety and health of the...

Image Alameda Siphon Water Buried Pipeline Strain and Deformation Monitoring – USA

Aimed to protect and preserve the local environment and proactively manage the safety and health of the Tresauro oil field in Sicily earthquake on that fault. A new buried 66-inch-diameter welded steel pipeline called Alameda Siphon No. 4 was built to remain in continuous operation when subjected to approximately 1 m of fault displacement during seismic activities.

The design of the new pipeline considered uncertainty in fault location, rupture displacement, subsurface conditions, and the installation of strain sensors to confirm pipeline design and assess the need for strengthening in the fault zone. More than 1000 m of distributed Fiber Optic sensing cable SMARTProfile were affixed onto the epoxy-coated steel pipe to measure strain and deformation all long the pipe. Excessive strain is detected and analyzed by a DiTeSt Brillouin interrogator for Distributed Fiber Optic Sensor, providing strain and temperature information every meter along the SMARTProfile sensor. With the location of any abnormal strain along the pipe, corrective measures can be undertaken at minimal time and expense so as to ensure the water system performs properly and water can be delivered to users after an earthquake.

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Sensor lines

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Sensor installation before backfilling

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Glued on pipe coating

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Protection installation

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Sensor cable spool

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Strain & temperature sensor

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Developer and Manufacturer of Geotechnical & Structural Instruments and Soil/Rock Testing Equipment

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Provider of innovative Fiber Optic Solutions for Structural Health Monitoring and Geotechnical Instrumentation

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Provider of Geotechnical & Structural Instruments
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Logo Enomfra

Provider of Hydrogeological & Geotechnical Services. Investigations, Monitoring & Testing

Logo Roctest

Developer and Manufacturer of Geotechnical & Structural Instruments and Soil/Rock Testing Equipment

Logo Smartec

Provider of innovative Fiber Optic Solutions for Structural Health Monitoring and Geotechnical Instrumentation

Logo Telemac

Provider of Geotechnical & Structural Instruments
since 1947

Logo Enomfra

Provider of Hydrogeological & Geotechnical Services. Investigations, Monitoring & Testing

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