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EXPERIMENTAL STUDY ON SEISMIC BEHAVIOR OF HIGHWAY BRIDGE FOUNDATION DURING LIQUEFACTION PROCESS

Hirokazu Kobayashi, Keiichi Tamura, Naoki Sato, Takuo Azuma

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Abstract

For establishing a rational seismic design method of bridge foundations against soil liquefaction, it is essential to study the seismic performance of bridge foundations during the liquefaction process. In this study, in order to evaluate the vibration characteristics of soil and the pile foundation during the liquefaction process, the authors conducted the shaking table test with soil and the pile foundation system, and examined the influence of vibration frequency on the pile foundation and the resonant vibration characteristics of pile foundation from the test results.

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What this paper is about

For establishing a rational seismic design method of bridge foundations against soil liquefaction, it is essential to study the seismic performance of bridge foundations during the liquefaction process. In this study, in order to evaluate the vibration characteristics of soil and the pile foundation during the liquefaction process, the authors conducted the shaking table test with soil and the pile foundation system, and examined the influence of vibration frequency on the pile foundation and the resonant vibration characteristics of pile foundation from the test results.

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Available abstract

For establishing a rational seismic design method of bridge foundations against soil liquefaction, it is essential to study the seismic performance of bridge foundations during the liquefaction process. In this study, in order to evaluate the vibration characteristics of soil and the pile foundation during the liquefaction process, the authors conducted the shaking table test with soil and the pile foundation system, and examined the influence of vibration frequency on the pile foundation and the resonant vibration characteristics of pile foundation from the test results.

Key concepts: Pile, Liquefaction, Foundation (evidence), Earthquake shaking table, Geotechnical engineering, Bridge (graph theory), Soil liquefaction, Vibration

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