| 真空-堆载联合预压下地基抗剪强度计算的研究 |
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| 引用本文： | 付天宇.真空-堆载联合预压下地基抗剪强度计算的研究[J].水运工程,2007(11):120-122. |
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| 作者姓名： | 付天宇 |
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| 作者单位： | 温州市瓯江口开发建设总指挥部,浙江,温州,325000 |
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| 摘 要： | 在深入分析真空预压加固机理及地基强度增长理论的基础上，对真空-堆载联合预压与堆载预压地基土体的抗剪强度增长差别进行分析，并在堆载预压抗剪强度计算公式的基础上，应用此差值推导出正负压联合作用下的真空-堆载联合预压地基抗剪强度计算公式。
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| 关 键 词： | 真空-堆载联合预压 正负压联合固结 抗剪强度 |
| 文章编号： | 1002-4972(2007)11-0120-03 |
| 修稿时间： | 2007年8月29日 |
On Calculation Method of Ground Shear Strength Under Vacuum - Surcharge Preloading |
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| FU Tian-yu.On Calculation Method of Ground Shear Strength Under Vacuum - Surcharge Preloading[J].Port & Waterway Engineering,2007(11):120-122. |
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| Authors: | FU Tian-yu |
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| Abstract: | Based on further knowledge of the reinforcement mechanism of vacuum preloading and the theory of foundation strength increase,the comparative analysis to the difference of the foundation strength increase of vacuum preloading and surcharging preloading is discussed.Based on the formula of surcharge preloading foundation strength,applying the differences,a calculating formula of increasing strength of vacuum preloading under the condition of combined operation of positive and negative pressure is derived. |
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| Keywords: | vacuum combined with surcharge preloading combined consolidation of positive and negative pressure shear strength |
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