Location

San Diego, California

Session Start Date

5-24-2010

Session End Date

5-29-2010

Abstract

A series of full-scale laterally loaded pile tests were conducted at the University of California, San Diego in 2007 in order to obtain a better understanding about pile-rockfill interaction for seismic design of port facilities. The project was composed of three experiments where the cyclic lateral loads were cyclically applied at the heads of the piles fully instrumented using a hydraulic actuator. Comparing the experimental and numerical results, assessments of p-y curves used for current design practice were performed. As a result, it was found that the soil pile springs currently used for design gave much lower lateral resistance than recorded in the experiments. This series of the experiments could provide very useful information for deformation based design, and effects of loading rate and type on behavior of pile-soil system still need to be considered to develop a more sophisticated seismic design. In the first part of this paper, a brief description of the experiments and some examples of the test results are presented. Based on the test results and the observations during the tests, some of possible factors affecting soil-pile interaction under dynamic cyclic load conditions are discussed in the second part.

Department(s)

Civil, Architectural and Environmental Engineering

Appears In

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

Meeting Name

Fifth Conference

Publisher

Missouri University of Science and Technology

Publication Date

5-24-2010

Document Version

Final Version

Rights

© 2010 Missouri University of Science and Technology, All rights reserved.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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May 24th, 12:00 AM May 29th, 12:00 AM

Discussions on Dynamic Interaction Between Piles and Large Particle Rockfill

San Diego, California

A series of full-scale laterally loaded pile tests were conducted at the University of California, San Diego in 2007 in order to obtain a better understanding about pile-rockfill interaction for seismic design of port facilities. The project was composed of three experiments where the cyclic lateral loads were cyclically applied at the heads of the piles fully instrumented using a hydraulic actuator. Comparing the experimental and numerical results, assessments of p-y curves used for current design practice were performed. As a result, it was found that the soil pile springs currently used for design gave much lower lateral resistance than recorded in the experiments. This series of the experiments could provide very useful information for deformation based design, and effects of loading rate and type on behavior of pile-soil system still need to be considered to develop a more sophisticated seismic design. In the first part of this paper, a brief description of the experiments and some examples of the test results are presented. Based on the test results and the observations during the tests, some of possible factors affecting soil-pile interaction under dynamic cyclic load conditions are discussed in the second part.