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Dynamic impedance of piles in visco-elastic material considering axial loads

Dynamic impedance of piles in visco-elastic material considering axial loads
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摘要 The dynamic impedance function of pile in visco-elastie material considering axial loads under lateral dynamic force was analyzed, and the beam dynamic differential equation was used to induce the dynamic impedance function. After analyzing the edge conditions, the dynamic impedance functions were deduced. Contrasted with the result that does not consider axial loads, the axial loads have obvious influence on the dynamic impedance function.And the results show that the dimensionless prarmeter of the dynamic impedance will change from 6 % to 9 % when considering axial loads, and dimensionless prarmeter of the dynamic impedance of the coupling horizontal-sway will increase by 31 %.
出处 《Journal of Central South University of Technology》 2005年第z1期162-167,共6页 中南工业大学学报(英文版)
基金 Project(50078021) supported by the National Natural Science Foundation of China
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