Pipelines 2020
Design of Large Pipelines Crossing Growth Faults in the Houston Area
Publication: Pipelines 2020
ABSTRACT
To comply with a mandated 80% reduction in groundwater extraction in Houston, the West Harris County Regional Water Authority is constructing the $1.2B surface water supply project. This project includes three steel pipeline crossings of growth faults. Two of these crossings are 96-in. in diameter and the third is 84-in. in diameter. These crossings rely on strain-based design to accommodate large permanent ground deformations. Guidelines for constructing natural gas and liquid hydrocarbon pipelines through areas prone to landslide and subsidence hazards (PRCI 2009) and other similar standards were used as guidance for the development of the design. The specified pipe materials are based on AWWA C200 Steel Pipe, 6 In. (150 mm) and Larger with minor modifications to meet the additional requirements of strain-based design. Specifications were developed to utilize AWWA steel pipe materials, standards and practices where acceptable and supplemented with addition requirements and testing necessary for stain-based design. Additionally, the project is evaluating allowing contractors to use proprietary steel joints designed to accommodate bending and tension.
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Information & Authors
Information
Published In
Pipelines 2020
Pages: 376 - 385
Editors: J. Felipe Pulido, OBG, Part of Ramboll and Mark Poppe, Brown and Caldwell
ISBN (Online): 978-0-7844-8319-0
Copyright
© 2020 American Society of Civil Engineers.
History
Published online: Aug 6, 2020
Published in print: Aug 6, 2020
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