基于动力离心模型的港口码头地基填筑材料特性研究

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中图分类号：TU435 文献标识码：A文章编号:1672-3791(2026)04-0130-03

Research on the Characteristics of Foundation Filling Materials of Port Terminals Based on Dynamic Centrifugal Model

YANG Qi

Zhongshe Cosine Design Group Co., Ltd., Hangzhou, Zhejiang Province, 31oooo China Abstract:With the economic developmentof coastal construction projects,port terminals are afected by geological activities,seawater,andother factors,making foundation flling materialsanimportant isseinengineering construction.Based on the liquefaction phenomenonand characteristics of coral soil,a design scheme for using gravel piles to treat anti liquefaction is proposed.Thedynamiccentrifugal modelandrelated equipment areused to drill and samplecoral soil,and themechanical properties of the foundation fling material are calculated to verify the effectivenessofthedesignscheme.Throughmodel experimentsandcharacteristicanalysis,itwas found thatthemaximum acceleration of the gravel pile at a depth of 7.5m was 0.1g. ,and under the control of bedrock waves,the acceleration tended to stabilize after 30s ；With the increase of bedrock waves,the hole pressure ratio of gravel piles remains O at 50s ,indicating thesuperiority of the gravel pile treatment design method in foundation liquefaction resistance and long-term working conditions.

Keywords: Port terminals; Coral soil; Foundation flling materials; Centrifugal model; Design of gravel pile

珊瑚土是码头地基填筑材料之一，但在强震荷载下会发生明显液化，导致土体强度降低、地基承载力下降,并诱发余震,甚至破坏人造礁岛[1]。（剩余3628字）