Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第I部門

基礎の耐震 (1)

Wed. Sep 4, 2019 8:40 AM - 10:10 AM I-4 (幸町北3号館 321講義室)

座長:黒田 武大(鹿島建設)

[I-220] Model of Earth Pressure Acting on Pile Foundation of Bridge Abutment Located on Liquefied Ground and its Verification Simulation (Part 2: Model of pile earth pressure)

*楊 勇1、谷本 俊輔1、河口 大輔1、桐山 孝晴1、大住 道生1 (1. 国立研究開発法人 土木研究所  構造物メンテナンス研究センター)

Keywords:liquefaction, earth pressure, pile

In the current evaluation method of seismic performance for the road bridge abutments, the effect of earth pressure from the liquefied layer has not been taken into consideration yet. Therefore, to rationally evaluate the seismic performance and retrofitting effect of the existing abutments, it is necessary to consider the earth pressure due to soil liquefaction.
In part 2, in the modeling of the earth pressure distribution along the depth direction of the pile foundation, the influence of pile arrangement and liquefaction level calculated by the liquefaction strength curve is considered.

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