Shake table test of large-scale bridge columns supported on rocking shallow foundations

Grigorios Antonellis, Andreas G. Gavras, Marios Panagiotou, Bruce L. Kutter, Gabriele Guerrini, Andrew C. Sander, Patrick J. Fox

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83 Scopus citations


This paper presents the results of a series of shake table tests of two 460-mm-diameter columns supported on 1.5-meter-square shallow rocking foundations. The tests were conducted using the Large Outdoor High-Performance Shake Table of the Network for Earthquake Engineering Simulation at the University of California at San Diego. The first specimen was aligned with the uniaxial direction of shaking, and the second was positioned in a skew configuration. The specimens were placed inside a soil-confining box 10.1 m long and 4.6 m wide with a 3.4-m height of clean sand compacted at 90% relative density. Three series of tests were performed; each had different groundwater and backfill conditions. The test protocols included up to six historical ground motions and resulted in peak drift ratios up to 13.8%. For peak drift ratios up to 6.9%, the rocking foundations performed very well, with residual drift ratios between 0.5 and 0.9% depending on the backfill conditions and with minimal settlements and no structural damage.

Original languageEnglish (US)
Article number04015009
JournalJournal of Geotechnical and Geoenvironmental Engineering
Issue number5
StatePublished - May 1 2015

All Science Journal Classification (ASJC) codes

  • General Environmental Science
  • Geotechnical Engineering and Engineering Geology


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