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工程设计学报
Chinese Journal of Engineering Design  2003, Vol. 10 Issue (4): 224-228    DOI:
    
Mathem atical analysis of high-rise structure’s piles-raft foundation
 JIN  Zhen-Fen1, CHEN  Yun-Min2, GAN  Gang1
1．浙江大学建筑设计研究院，浙江杭州310027；
2．浙江大学岩土工程研究所，浙江杭州310027
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Abstract  A method of piles-raft-soil’s cooperate reaction is distributed．The pile and soil under the plank are simplified into springs．The stiffness of piles is calculated from the P-S curve of single pile．The settlement of substratum is calculated by layer-wise summation method．The settlement in the whole foundation，the stress in the raft，the reaction force on the top of piles are analyzed．

Key words： piles-raft foundation      degenerated element      finite element method      cooperate reaction     
Published: 28 August 2003
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JIN Zhen-Fen
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Cite this article:

JIN Zhen-Fen, CHEN Yun-Min, GAN Gang. Mathem atical analysis of high-rise structure’s piles-raft foundation. Chinese Journal of Engineering Design, 2003, 10(4): 224-228.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2003/V10/I4/224


高层主裙楼变厚度桩筏基础数值试验

提供了一种桩-土-筏相互作用的计算模型，将筏板下的桩、土看成弹簧作用在筏板上，简化得到了软弱地基群桩应力和沉降等效分析模型，提出了一种群桩中单桩沉降的计算方法，建立了群桩中单桩非线性刚度的计算模型，并采用三维退化层合单元法对高层建筑主裙楼桩筏基础进行分析．

关键词： 桩筏基础,  退化层合单元,  有限元法,  共同作用 
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