| 水泥搅拌桩桩长的确定 |
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| 引用本文： | 杨璧方.水泥搅拌桩桩长的确定[J].福建建筑,1994(3):23-25. |
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| 作者姓名： | 杨璧方 |
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| 作者单位： | 上海铁路局福州勘测设计院 350013 |
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| 摘 要： | 本文分析水泥搅拌桩在加固深厚软土基中,作为复合地基承受竖向荷载,按承载的特性属于纯摩擦桩,为了发挥桩的承载能力,桩长宜大于临界桩长。同时,纯摩擦桩的桩身在一定的长度范围内才有承载作用,为了承载的可靠和经济,桩长不宜大于最大桩长和有效桩长。文中提出了确定临界桩长、最大桩长和有效桩长的方法,并以工程计算实例供设计参考.
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| 关 键 词： | 桩 搅拌桩 桩长 |
Determination the Length of the Cement-mixed Columns Used in the Composite Ground |
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| Abstract: | In this paper,the characteristics of bearing load of the composite ground which is improved by cement-mixed columns in thick soft clay strate will be analyzed . From the analysis ,the conclusions can be drew that the cement-mixed columns must be dealt with as friation column-foundation and the length of the columns must be greater than the minimum length and less than the maximum and effective length. |
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