Testing and analysis of a laterally loaded bridge caisson foundation in gravel

Jiunn Shyang Chiou, Yung Yen Ko, Shang Yi Hsu, Yu Ching Tsai

Research output: Contribution to journalArticle

16 Citations (Scopus)


This paper presents the results of an in situ lateral load test on a caisson-type foundation of the old Niu-Dou Bridge in Ilan County, Taiwan. The caisson was 12 m long and had circular cross-sections whose diameters were 5 m in the upper portion and 4 m in the lower portion. The test site was located on soil with a high gravel content. A site investigation, including laboratory and field tests, was carried out. A six-component Winkler-beam model was applied to simulate the caisson response in the lateral load test. To determine the nonlinear properties of the Winkler springs, a method based on large-scale geotechnical field testing was proposed. With this method, the soil springs could be properly set and the Winkler-beam model could reasonably capture the lateral behavior of the caisson foundation.

Original languageEnglish
Pages (from-to)562-573
Number of pages12
JournalSoils and Foundations
Issue number3
Publication statusPublished - 2012 Jun

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

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