| CFG桩复合地基褥垫层的合理厚度确定方法研究 |
| 投稿时间：2005-09-26 修订日期：2005-09-26 点此下载全文 |
| 引用本文：贾瑞杰,隆威,於法明.CFG桩复合地基褥垫层的合理厚度确定方法研究[J].钻探工程,2006,33(4):5-7.JIA Rui-jie,LONG Wei,YU Fa-ming. Research on the Method of Rational Thickness of Cushion of CFG Pile Composite Foundation[J]. Drilling Engineering, 2006,33(4):5-7. |
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| 中文摘要:在CFG桩复合地基设计中，褥垫层的厚度设计是一个重点，它是复合地基承载力能否全部发挥的关键因素之一。但其设计上基本是靠经验取值，缺少理论根据。从理论方面入手，推导了褥垫层厚度的理论计算方法，给出了最佳垫层厚度、桩土应力比的解析表达式。 |
| 中文关键词:CFG桩复合地基 承载力 褥垫层厚度 桩土应力比 压缩模量 |
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| Research on the Method of Rational Thickness of Cushion of CFG Pile Composite Foundation |
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| Abstract:CFG pile composite foundation is used to deal with weak foundation，it can increase the bearing capacity, and reduce the foundation settlement. In the process of designing CFG pile composite foundation，thickness of cushion is very important. It is one of most important factors in the bearing capacity of CFG pile composite foundation.But there is no theory method in designing the thickness of cushion. This article, based on the theory research, elicits the theory method of rational thickness of cushion. It offers expressions about the rational thickness of cushion and pile-soil stress ratio. |
| keywords:CFG pile composite foundation bearing capacity thickness of cushion pile-soil stress ratio modulus of compressibility |
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