Chapter
Apr 4, 2017
Custom Helical Pile Use for a Refinery Revamp: A Case Study
Authors: Eric Wey [email protected], Patrick Murray [email protected], Howard Perko [email protected], Malone Mondoy [email protected], and Paul Volpe [email protected]Author Affiliations
Publication: Structures Congress 2017
Abstract
A refinery expansion project for Marathon Petroleum Company in Southern Louisiana required existing medium to large pipe racks to be expanded for additional capacity. Foundation modifications were necessary in order to add levels to the existing pipe racks. New piles were added and existing pile cap foundations were expanded. Several different pile types were considered. Custom designed helical piles were chosen, because they can be installed quickly with low overhead restrictions, produce minimal soil spoils, and are cost effective. The load capacity required for piles was higher than typical, off-the-shelf helical piles. In particular, the lateral load capacity demand was high due to wind loads of a hurricane prone region. Methods used to design and size helical piles are summarized including lateral pile analysis, bearing capacity calculations, and theoretical capacity to torque ratio estimation. Pile load testing was performed in order to confirm design capacities of the helical piles under axial and lateral loading. Measured axial and lateral deflections compared well with predicted values. This case history evaluates the effectiveness of modern helical pile design methods within the context of a real and practical example.
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© 2017 American Society of Civil Engineers.
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Published online: Apr 4, 2017
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Authors
Affiliations
Fluor Corp, One Fluor Daniel Dr., Sugar Land, TX 77478. E-mail: [email protected]
Marathon Petroleum Company, Marathon Ave., Garyville, LA 70051. E-mail: [email protected]
Magnum Piering Inc., 138 East 4th St., Loveland, CO 80537. E-mail: [email protected]
Fluor Daniel, Inc. Philippines, 7th Floor, Polaris Corporate Center, Spectrum Midway, Filinvest Corporate City, Alabang, Muntinlupa 1781, Philipines. E-mail: [email protected]
Marathon Petroleum Company, Marathon Ave., Garyville, LA 70051. E-mail: [email protected]
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