Seismic responses of mono-pile foundation in liquefiable sandy soil

Chung Jung Lee, Wen Yi Hung, Yi Chun Tu

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

A series of centrifuge shaking table tests of mono-pile embedded in the liquefiable sand deposit and dry sand deposit was conducted at an acceleration of 80-g. Two natural frequencies were identified by means of the Fourier spectrum of acceleration measured at the tip mass attached at different elevations in the pre-shaking. The maximum bending moment of pile in dry sand appeared at the depth of 4 m (z/L=0.2) and the maximum bending moment of pile in saturated liquefiable sand appeared at the depth of 8-9 m (z/L= 0.39-0.43). The earthquake induced bending moments and the pile displacements became larger if the tip mass fixed at the higher elevation of the monopile. The occurrence of liquefaction would lead to the loss of confinement from the surrounding sand.

原文???core.languages.en_GB???
主出版物標題Proceedings of the 24th International Ocean and Polar Engineering Conference, ISOPE Busan
發行者International Society of Offshore and Polar Engineers
頁面60-65
頁數6
ISBN(列印)9781880653913
出版狀態已出版 - 2014
事件24th International Ocean and Polar Engineering Conference, ISOPE 2014 Busan - Busan, Korea, Republic of
持續時間: 15 6月 201420 6月 2014

出版系列

名字Proceedings of the International Offshore and Polar Engineering Conference
ISSN(列印)1098-6189
ISSN(電子)1555-1792

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???event.eventtypes.event.conference???24th International Ocean and Polar Engineering Conference, ISOPE 2014 Busan
國家/地區Korea, Republic of
城市Busan
期間15/06/1420/06/14

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