Dynamic Characteristics of Axial Flow Compressor Foundations Considering Interaction of Foundation, Pile Foundations and Superstructures

XIONG Ye; DING Yang; CHA Lyuying; CHEN Zizi; LIU Yangwu

doi:10.13204/j.gyjzG21052007

Volume 52 Issue 6

Sep. 2022

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XIONG Ye, DING Yang, CHA Lyuying, CHEN Zizi, LIU Yangwu. Dynamic Characteristics of Axial Flow Compressor Foundations Considering Interaction of Foundation, Pile Foundations and Superstructures[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(6): 150-155,149. doi: 10.13204/j.gyjzG21052007

Citation:

XIONG Ye, DING Yang, CHA Lyuying, CHEN Zizi, LIU Yangwu. Dynamic Characteristics of Axial Flow Compressor Foundations Considering Interaction of Foundation, Pile Foundations and Superstructures[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(6): 150-155,149. doi: 10.13204/j.gyjzG21052007

Citation:

XIONG Ye, DING Yang, CHA Lyuying, CHEN Zizi, LIU Yangwu. Dynamic Characteristics of Axial Flow Compressor Foundations Considering Interaction of Foundation, Pile Foundations and Superstructures[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(6): 150-155,149. doi: 10.13204/j.gyjzG21052007

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Dynamic Characteristics of Axial Flow Compressor Foundations Considering Interaction of Foundation, Pile Foundations and Superstructures

doi: 10.13204/j.gyjzG21052007

Defense Engineering Institute, Academy of Military Sciences, Beijing 100089, China

Received Date: 2021-05-20
Available Online: 2022-09-05

Abstract

Abstract

Pile foundations are a common foundation form for large dynamic machines, the essential and difficult problem in design is to determine the response characteristics of foundations under dynamic loads. The simulation method of finite solid elements for dynamic machine foundations was constructed based on the interaction of foundation, pile foundations and superstructures, and the modal and steady-state simulations were performed. The simulation results were verified by test results of foundations with double piles on site. Then, the steady state analysis for a foundation of axial flow compressors was performed, and the vibration displacement was calculated. Based on the model, the modal damping ratio of the structure, diameter and length of the foundation piles were taken as variables to analyze the laws for the vibration displacement of the axial flow compressor foundation. And corresponding optimization measures were proposed, which could provide reference to the optimization of similar projects.
- dynamic parameters of foundation,
- dynamic characteristic,
- interaction,
- steady-state analysis

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References(9)

References

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