A PRECISE METHOD FOR DYNAMIC FLEXIBILITY OF LAYER FOUNDATION IN THE DUALITY SYSTEM

Li Weidong; Lin Gao; Zhu Hongshan

doi:10.13204/j.gyjz201309017

Volume 43 Issue 9

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2013 > 43(9): 92-95

Jiao Junting, Ye Yinghua, Diao Bo, Yu Linchong. NONLINEAR ANALYSIS OF REINFORCED CONCRETE MEMBERS WITH IRREGULAR SHAPE SECTIONS SUBJECTED TO BIECCENTRIC COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(2): 33-36. doi: 10.13204/j.gyjz200402011

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Li Weidong, Lin Gao, Zhu Hongshan. A PRECISE METHOD FOR DYNAMIC FLEXIBILITY OF LAYER FOUNDATION IN THE DUALITY SYSTEM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(9): 92-95. doi: 10.13204/j.gyjz201309017

Citation:

Li Weidong, Lin Gao, Zhu Hongshan. A PRECISE METHOD FOR DYNAMIC FLEXIBILITY OF LAYER FOUNDATION IN THE DUALITY SYSTEM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(9): 92-95. doi: 10.13204/j.gyjz201309017

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A PRECISE METHOD FOR DYNAMIC FLEXIBILITY OF LAYER FOUNDATION IN THE DUALITY SYSTEM

doi: 10.13204/j.gyjz201309017

1.
1. Central South Electric Power Design Institute,Wuhan 430071,China;
2.
2． Faculty of Infrastructure Engineering,Dalian University of Technology,Dalian 116023,China

Received Date: 2012-01-28
Publish Date: 2013-09-20

Abstract

Abstract

The precise integration method is an accurate numerical method for solving first-order differentialequations． The fundamental governing equations of layered elastic foundation were introduced into the duality system，and governing equations were represented as Hamilton canonical equations in the frequency-wave number domain．Based on which，a new method was proposed to solve dynamic flexibility of layered elastic foundation． The segmentmatrix of micro layer was obtained by using the precise integration method，and then，through merging segment matrixof micro layer，it was evaluated the segment matrix of the whole foundation． Finally，the dynamic flexibility of layeredelastic foundation was calculated by incorporating the radiation condition of boundary into the segment matrix of thewhole foundation． In the end，accuracy of the method was verified by numerical examples．
- frequency-wave number domain,
- dynamic flexibility,
- precise integration method,
- layered foundation

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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