Chapter
Aug 6, 2020
Pipelines 2020
7.1 Magnitude Earthquake Causes 48-Inch Pipe to Float from below Lakebed to Lake Surface: How the Utility Responded
Publication: Pipelines 2020
ABSTRACT
On November 30, 2018, Anchorage, Alaska, experienced a 7.1 magnitude earthquake. The earthquake caused liquefaction within a lakebed resulting in a 48-inch ductile iron pipe (DIP) to become buoyant and float to the surface. Temporarily stabilizing and permanently repairing a large floating pipe located underneath a frozen lake while maintaining sewage conveyance was a challenge. This paper highlights the utility’s response effort to overcome the problems encountered and make the repair without a sewage release.
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Information & Authors
Information
Published In
Pipelines 2020
Pages: 156 - 166
Editors: J. Felipe Pulido, OBG, Part of Ramboll and Mark Poppe, Brown and Caldwell
ISBN (Online): 978-0-7844-8320-6
Copyright
© 2020 American Society of Civil Engineers.
History
Published online: Aug 6, 2020
Published in print: Aug 6, 2020
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P.E.
Anchorage Water and Wastewater Utility, Engineering Division, Anchorage, AK. Email: [email protected]
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