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Experimental Study on Indoor Model of CFG Single Pile Composite Foundation

SI Wen-ming

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Abstract

Indoor model of CFG single pile composite foundation is established using geometric similarity.Through plate loading test,the distribution characteristic of pile axial force along length under load of different thickness of cushion is analyzed.The general rule of load transfer along pile length is summarized and the rule of lateral frictional resistance along pile length is obtained.The change rule of pile tip resistance and pile-soil stress ratio with load of different thickness of cushion is obtained through comparison analysis,which provides evidence for wide application of CFG pile composite foundation in hydraulic soil reinforcement in coastal areas.

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What this paper is about

Indoor model of CFG single pile composite foundation is established using geometric similarity.Through plate loading test,the distribution characteristic of pile axial force along length under load of different thickness of cushion is analyzed.The general rule of load transfer along pile length is summarized and the rule of lateral frictional resistance along pile length is obtained.The change rule of pile tip resistance and pile-soil stress ratio with load of different thickness of cushion is obtained through comparison analysis,which provides evidence for wide application of CFG pile composite foundation in hydraulic soil reinforcement in coastal areas.

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Available abstract

Indoor model of CFG single pile composite foundation is established using geometric similarity.Through plate loading test,the distribution characteristic of pile axial force along length under load of different thickness of cushion is analyzed.The general rule of load transfer along pile length is summarized and the rule of lateral frictional resistance along pile length is obtained.The change rule of pile tip resistance and pile-soil stress ratio with load of different thickness of cushion is obtained through comparison analysis,which provides evidence for wide application of CFG pile composite foundation in hydraulic soil reinforcement in coastal areas.

Key concepts: Pile, Cushion, Foundation (evidence), Composite number, Geotechnical engineering, Structural engineering, Dynamic load testing, Reinforcement

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