Chapter
Sep 12, 2019
15th Triennial International Conference
Seismic Design of Pile-Supported Wharves: Effect of New Steel Strain Limits in ASCE 61-19
Publication: Ports 2019: Port Engineering
ABSTRACT
A study of Harn et al. (2019) has concluded that steel pipe piles may suffer from premature buckling failure before reaching the strain limits in ASCE/COPRI 61-14 Seismic Design of Piers and Wharves (ASCE 61-14). Revised strain limits to prevent premature buckling have been proposed based on the piles’ D/t ratio which are much lower than the current strain limits for piles typically used for pile wharf design. This paper presents the results of a study carried out into effect on predicted performance with the revised strain limits on a typical container wharf. The options for adjusting the pile design to give a similar performance as predicted with the current strain limits have been investigated. Furthermore, the effect of a possible increase in plastic hinge length for piles founded in soft clays has also been briefly studied.
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REFERENCES
Goel, R. (2013) “Evaluation of in-ground plastic-hinge length and depth recommendations for piles in marine oil and LNG terminals”;, Final report prepared for California State Lands Commission, San Luis Obispo, CA.
Harn, R., Marsh, L. and Rygel, J. (2016) “ASCE/COPRI 61-14 Analysis and Detailing: Next Steps”, ASCE Ports 2016 Conference Proceedings, New Orleans, LA.
Harn, R., Ospina, C., and Pachakis, D. (2019) “Proposed Pipe Pile Strain Limits for ASCE 61-19”, to be presented at Ports ’19 Pittsburgh, PA.
Nguyen, D., Frandsen, H., and Pachakis, D. (2016) “Displacement-based seismic design of piled wharf. A study on the effect of steel pile class to the behavior of pile foundation”, 6th Asia Conference on earthquake engineering, Cebu City, Philippines
Information & Authors
Information
Published In
Ports 2019: Port Engineering
Pages: 572 - 583
Editors: Pooja Jain, Moffatt & Nichol and William S. Stahlman III, America's Central Port
ISBN (Online): 978-0-7844-8261-2
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Sep 12, 2019
Published in print: Sep 12, 2019
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Affiliations
Royal HaskoningDHV, 2 Abbey Gardens, Great College St., London SW1P 3NL. E-mail: [email protected]
Royal HaskoningDHV, 5th and 6th Floor, Tower 6, The Vista 628C Hanoi Highway, An Phu Ward, District 2, Ho Chi Minh City. E-mail: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.