| 关于风积砂地基扩展基础抗拔计算公式的探讨 |
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| 引用本文： | 滕凯,周金柱,吴华.关于风积砂地基扩展基础抗拔计算公式的探讨[J].岩土工程技术,2001(2):69-72,91. |
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| 作者姓名： | 滕凯 周金柱 吴华 |
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| 作者单位： | 1. 齐齐哈尔市城防工程建设局，齐齐哈尔 161006
2. 齐齐哈尔市水利设计院，齐齐哈尔 161006 |
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| 摘 要： | 利用风积砂地基抗拔室内模型试验资料，通过对抗拔土体破坏机理的全面分析，提出了土体形成极限承载力的三个受力过程，建立了扩展基础抗拔承载力计算的基本公式，与目前其它计算方法比较，成果精度提高很多倍，而且适用范围不受深宽比限制，便于推广应用。
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| 关 键 词： | 风积砂 扩展基础 抗拔计算 结果分析 |
| 修稿时间： | 2000年12月25 |
Discussion on the Formula of Anti-extraction Calculation for
Extended Foundation on Wind-borne Sand Deposit |
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| Abstract: | Based on analyzing the mechanism of fraction for anti-extraction soil by using the results of in-side model test about wind-borned sand deposit foundation,three stressing process of the ultimate bearing capacity in soil is given,and the basic formual for anti-extraction capacily calculation is established.Compared with other methods at present,the accuracy of the calculation result is several times over that of others.Because the scope of application isn't limited by width-to-depth ratio,it is very convenient for widely application. |
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| Keywords: | wind-borne sand deposit extended foundation anti-extraction calculation result analysis |
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