Dynamic Response of Hammer Impacting Pile under Gravity Field

Dong Hua Chen; Li Quan Wang

doi:10.4028/www.scientific.net/AMM.610.65

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Time Marching Simulation of Aeroelasticity Based on a Coupled Numerical Method
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 610Dynamic Response of Hammer Impacting Pile under...

Dynamic Response of Hammer Impacting Pile under Gravity Field

Abstract:

Pile hammer impact system is composed of hammer, pile cap and pile. Gravity field will produce uneven stress in the pile which is placed on a fixed rigid plane, and gravitational potential energy will increase the impact energy which is inputted to the pile during the impact process. These will influence dynamic response of collision process between pile hammer and pile. In this paper, a gravity field factor was added in the Simth difference equations which are based on One-dimensional Wave Equation. The numerical model of pile hammer impact system was established. A program was written to implement the numerical model. Simulation results indicated that the duration of collision, the peak and stable value of impact force and the effective impact energy would be affected by the gravity field.

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Periodical:

Applied Mechanics and Materials (Volume 610)

Pages:

65-69

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.610.65

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Online since:

August 2014

Authors:

Dong Hua Chen*, Li Quan Wang

Keywords:

Dynamic Response, Gravity Field, Impact, One-Dimensional Wave Equation

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* - Corresponding Author

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