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Multifield coupling model and its applications for pile foundation in permafrost
Importing the interface element which links the frozen soil base with concrete piles and considering the couplings of stress field, temperature field and moisture field, this paper establishes the nonlinear visco-elastic plastic finite element model of pile-soil. For a practical bridge structure the stress field and displacement field of single pile in freezing process are calculated.This paper emphatically studies the process of the tangential frost heave stress field, freezing stress field and displacement field varying with time, and ulteriorly studies time variation process of single pile carrying capacity in freezing process.
作 者： Wu Yaping Zhu Yuanlin GUO Chunxiang SU Qiang MA Wei 作者单位： Wu Yaping(School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China)Zhu Yuanlin,MA Wei(State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China)
GUO Chunxiang,SU Qiang(School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China)
刊 名： 中国科学D辑（英文版） SCI 英文刊名： SCIENCE IN CHINA (EARTH SCIENCES) 年，卷(期)： 2005 48(7) 分类号： P3 关键词： permafrost pile foundation freezing process multifield coupling analysis model【Multifield coupling model and its ap】相关文章：
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