A vibration pile driving device for geotechnical centrifuge model test and method thereof

By designing a vibratory pile driving device for geotechnical centrifuge model testing, the vibration propagation and soil displacement during pile driving are simulated, providing experimental data for mechanical analysis and construction design of the pile driving area and its adjacent soil. This solves the problem of lack of experimental data in existing technologies and improves the efficiency and reliability of testing.

CN116537277BActive Publication Date: 2026-06-30TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
Filing Date
2023-05-30
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing technology lacks mechanical analysis and construction design test data to simulate the vibration propagation and displacement of the foundation soil during pile driving, resulting in the failure to effectively assess the horizontal and vertical displacement effects on the pile driving area and its adjacent foundation soil.

Method used

Design a vibratory pile driving device for geotechnical centrifuge model testing, including a horizontal and vertical drive track system, combined with a vibration simulation mechanism and a simulated pile clamping mechanism, to simulate the pile driving process of the pile body penetrating the foundation soil layer through a mechanical transmission mechanism, and provide test data.

Benefits of technology

It enables the simulation of the impact of pile driving construction on the foundation and building structure, provides experimental data for mechanical analysis and construction design, improves the efficiency of experimental work, and has a simple structure and reliable performance.

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Abstract

This invention discloses a vibratory pile driving device and method for geotechnical centrifuge model testing. The device includes a model box; at least one crossbeam is mounted on the model box; a set of transverse drive track systems is mounted on each crossbeam; at least one set of vertical drive track systems is mounted on the transverse drive track systems; and a vibratory pile driving mechanism is mounted on the vertical drive track systems. The vibratory pile driving mechanism 5 is used to clamp the pile onto the vibratory pile driving mechanism, simulating the pile driving process in actual construction conditions where the pile body penetrates into the foundation soil layer. This method is used in the aforementioned vibratory pile driving device for geotechnical centrifuge model testing. This invention, through this device and method, can simulate pile driving construction, providing experimental data for studying the impact of pile driving construction on the surrounding foundation and building structure, and for mechanical analysis and construction design. Furthermore, this invention can improve the efficiency of experimental work, has a simple structure, reliable performance, and is easy to manufacture.
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