| 切线模量法在单桩非线性沉降计算中的应用 |
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| 引用本文： | 温勇,杨光华,黄致兴,黄忠铭,张玉成.切线模量法在单桩非线性沉降计算中的应用[J].广东水利水电,2015(7):1-3, 25. |
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| 作者姓名： | 温勇 杨光华 黄致兴 黄忠铭 张玉成 |
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| 作者单位： | 广东省水利水电科学研究院,广东省岩土工程技术研究中心,广东 广州 510635;中山大学 地球科学与地质工程学院,广东 广州 510275,广东省水利水电科学研究院,广东省岩土工程技术研究中心,广东 广州 510635;华南理工大学,土木与交通学院,广东 广州 510641,华南理工大学,土木与交通学院,广东 广州 510641,华南理工大学,土木与交通学院,广东 广州 510641,广东省水利水电科学研究院,广东省岩土工程技术研究中心,广东 广州 510635 |
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| 基金项目： | 国家自然科学基金资助项目(51378131)；广东省岩土工程技术研究中心开放基金(201404002)。 |
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| 摘 要： | 为了更好地计算单桩的非线性沉降,结合规范方法将单桩沉降分为桩身压缩和桩端土沉降两部分,其中桩端土沉降采用切线模量法计算,由于切线模量是由原位试验得到,能反映桩端土的原状特性,同时切线模量考虑了不同应力水平的影响,因此也能够反映桩端土沉降的非线性。通过工程实例应用表明,切线模量法用于单桩非线性沉降计算是可行的。
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| 关 键 词： | 单桩沉降 非线性 切线模量法 规范方法 |
| 收稿时间： | 2015/5/7 0:00:00 |
| 修稿时间： | 2015/5/7 0:00:00 |
Application of the Tangent Modulus Method to Nonlinear Settlement Calculation of Single Pile |
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| WEN Yong,YANG Guanghu,HUANG Zhixing,HUANG Zhongming and ZHANG Yucheng.Application of the Tangent Modulus Method to Nonlinear Settlement Calculation of Single Pile[J].Guangdong Water Resources and Hydropower,2015(7):1-3, 25. |
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| Authors: | WEN Yong YANG Guanghu HUANG Zhixing HUANG Zhongming and ZHANG Yucheng |
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| Affiliation: | Guangdong Research Institute of Water Resources and Hydropower, Geotechnical Engineering Technology Center of Guangdong Province,Guangzhou 510635, China;School of Earth Science and Geological Engineering, Sun Yat-Sen University, Guangzhou 510275, China,Guangdong Research Institute of Water Resources and Hydropower, Geotechnical Engineering Technology Center of Guangdong Province,Guangzhou 510635, China;School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China,School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China,School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China and Guangdong Research Institute of Water Resources and Hydropower, Geotechnical Engineering Technology Center of Guangdong Province,Guangzhou 510635, China |
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| Abstract: | In order to better calculate the nonlinear settlement of single pile, a method is presented in this paper, in which the settlement of single pile is divided into the compression of pile and the settlement of pile end soil according to the standard method, and the settlement of pile end soil is calculated by tangent modulus method. The tangent modulus is obtained by in-situ test, so the characteristic of the undisturbed pile end soil can be reflected. What is more, the effects of different stress level is considered by the tangent modulus, so the nonlinearity of settlement of pile end soil can be also reflected. Through the engineering example, it is indicated that using the tangent modulus method to calculate the nonlinear settlement of single pile is feasible. |
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| Keywords: | settlement of single pile nonlinearity tangent modulus method standard method |
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