| 考虑桩土协调工作的CFG桩承载力计算新方法 |
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| 引用本文： | 云树春,李积仓,张慧乐.考虑桩土协调工作的CFG桩承载力计算新方法[J].工业建筑,2011(Z1):575-577. |
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| 作者姓名： | 云树春 李积仓 张慧乐 |
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| 作者单位： | 吉林省林业勘察设计研究院;中国京冶工程技术有限公司; |
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| 摘 要： | CFG桩复合地基在工程中广泛应用,传统的承载力计算方法主要通过桩土承载力的叠加获取。依据CFG桩复合地基中性点处桩土变形协调,计算中性点的位置;通过分析褥垫层隔离体,探讨中性点处桩体轴力。根据桩体受力与变形的特殊性,提出新的计算模型:将中性点以上桩体和褥垫层看作倒置的桩对地基土的作用,认为褥垫材料的流动补偿是破坏;中性点以下桩对地基土为刺入式破坏。根据新模型计算极限承载力,以期对工程实践有一定的指导意义。
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| 关 键 词： | 中性点 新破坏模型 承载力 |
CALCULATION OF THE BEARING CAPACITY OF CFG PILE BY A NEW METHOD CONSIDERING PILESOIL COORDINDATION |
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| Yun Shuchun Li Jicang Zhang Huile.CALCULATION OF THE BEARING CAPACITY OF CFG PILE BY A NEW METHOD CONSIDERING PILESOIL COORDINDATION[J].Industrial Construction,2011(Z1):575-577. |
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| Authors: | Yun Shuchun Li Jicang Zhang Huile |
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| Affiliation: | Yun Shuchun1 Li Jicang1 Zhang Huile2(1.Forestry Survey and Design Institute of Jilin Province,Changchun 130022,China.2.China Jingye Engineering Corporation Limited,Beijing 100088,China) |
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| Abstract: | CFG pile composite foundation has been widely used in engineerings,in the traditional calculation method,its bearing capacity was calculated mainly through the superposition of pile-soil bearing capacity.Based on the pile-soil deformation compatibility at neutral point,the position of neural point was calculated,and the pile axial force at neutral point was discussed through analysing mattress layer isolated body.According to the pile particularity of the stress and deformation,the new model was put forward... |
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| Keywords: | neutral point new failure model bearing capacity |
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