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http://dx.doi.org/10.7843/kgs.2017.33.7.17

Analysis of Dynamic Behavior of a Single Pile in Dry Sand by 1g Shaking Table Tests  

Lim, Hyun-Sung (Dept. of Civil and Environmental Eng., Yonsei Univ.)
Jeong, Sang-Seom (Dept. of Civil and Environmental Eng., Yonsei Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.33, no.7, 2017 , pp. 17-28 More about this Journal
Abstract
This paper presents the investigation of dynamic behavior of a single pile in dry sand based on 1g shaking table tests. The natural frequency of soil-pile system was measured, and then a range of loading frequency was determined based on the natural frequency. Additionally, the studies were performed by controlling loading accelerations, pile head mass and connectivity conditions between pile and cap. Based on the results obtained, relatively larger pile head displacement and bending moment occur when the loading frequency is larger than the natural frequency of soil-pile system. However, the slope of the p-y curve is smaller in the similar loading frequency. Also, it was found that inertia force like input acceleration and pile head mass, and relation of the natural frequency of soil-pile system and input frequency have a great influence on the slope of dynamic p-y curve, while pile head conditions don't.
Keywords
1 g shaking table test; Natural frequency; Dynamic p-y curve; Dry sand; Single pile;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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