| K0固结软土不排水抗剪强度 |
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| 引用本文： | 王立忠,叶盛华,沈恺伦,胡亚元. K0固结软土不排水抗剪强度[J]. 岩土工程学报, 2006, 28(8): 970-977 |
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| 作者姓名： | 王立忠 叶盛华 沈恺伦 胡亚元 |
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| 作者单位： | 浙江大学建筑工程学院；浙江大学建筑工程学院 浙江杭州310027；浙江杭州310027； |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 从临界状态土力学出发,考虑K0固结引起的诱发各向异性,推导了K0固结条件下三轴压缩和三轴拉伸不排水强度的理论计算公式。搜集对比现有的试验结果,发现本文提出的理论公式与国内外试验及失稳软基堤坝反分析结果更为符合,在大量土性分析基础上提出平均不排水强度的简化计算公式,以兹工程推广与应用。
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| 关 键 词： | 临界状态土力学 软粘土 K< sub> 0< /sub> 固结 不排水抗剪强度 |
| 文章编号： | 1000-4548（2006）08-0970-08 |
| 收稿时间： | 2005-06-23 |
| 修稿时间： | 2005-06-23 |
Undrained shear strength of K0 consolidated soft clays |
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| WANG Li-zhong,YE Sheng-hua,SHEN Kai-lun,HU Ya-yuan. Undrained shear strength of K0 consolidated soft clays[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(8): 970-977 |
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| Authors: | WANG Li-zhong YE Sheng-hua SHEN Kai-lun HU Ya-yuan |
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| Affiliation: | College of Civil Engineering and Architecture Zhejiang University Hangzhou 310027 China |
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| Abstract: | Based on the researches of the other scholars and the critical state soil mechanics, theoretical formulas of the undrained strength under K0 compression and extension stress condition were derived with consideration of induced anisotropy. After collecting contrasting the existing test results, it was found that the results abtained with theoretical formulas proposed in this paper agreed with the test results and back analysis of failured dams. Based on a large number of investigations, a simple formula for calculating the mean undrained Strength was proposed, and it the method could be popularized for engineering application. |
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| Keywords: | critical state soil mechanics clays K0 consolidation undrained shear strength |
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