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| 周期荷载下半透水边界饱和地基的固结 | |
| 引用本文： | 余祖国,宣伟丽,赵恩环,梁旭,蔡袁强.周期荷载下半透水边界饱和地基的固结[J].振动工程学报,2002,15(4):430-435. |
| 作者姓名： | 余祖国 宣伟丽 赵恩环 梁旭 蔡袁强 |
| 作者单位： | 1. 浙江大学建工学院,杭州,310027 2. 浙江省钱塘江管理局,杭州,310000 3. 浙江绿城建筑设计有限公司,杭州,310000 |
| 基金项目： | 国家自然科学基金资助项目 (编号 :5 990 80 12 ) |
| 摘 要： | 在Terzaghi一维固结假设的基础上，分析了半透水边界饱和土层在周期荷载作用下有效应力比的变化规律。通过基本方程，结合初边值条件，利用Laplace变换，得到了随时间任意变化荷载作用下的有效应力解。通过典型算例，结合编制的数值Laplace逆变换程序，对几种常见的荷载作用下的情况进行了讨论，研究了参数的影响。通常所研究的透水或不透水边界条件只是本文的特例。本文的结论可以用于指导工程实践。 |
| 关 键 词： | 地基土 饱和土 周期荷载 半透水边界 Laplace变换 固结 应力比 |
| 修稿时间： | 2001年4月9日 |
Consolidation of Saturated Soil with Semi-Pervious Boundaries Subject to Cyclic Loading |
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| Yu Zugauo,Xuan Weili,Zhao Enhuan,Liang Xu,Cai Yuanqiang.Consolidation of Saturated Soil with Semi-Pervious Boundaries Subject to Cyclic Loading[J].Journal of Vibration Engineering,2002,15(4):430-435. | |
| Authors: | Yu Zugauo Xuan Weili Zhao Enhuan Liang Xu Cai Yuanqiang |
| Affiliation: | Yu Zugauo 1 Xuan Weili 2 Zhao Enhuan 3 Liang Xu 1 Cai Yuanqiang 1 |
| Abstract: | Based on Terzaghi's one dimensional consolidation theory, this paper analyzes the change of effective stress ratio of saturated soil with semi pervious boundaries subject to cyclic loading. Using the method of Laplace Transform, the solution of the effective stress ratio is presented based on fundamental equations associated with initial and boundary conditions. Parameter influences of different kinds of cyclic loadings and boundary conditions are discussed by numerical inversion of Laplace Transform with typical examples. The pervious or impervious boundary conditions are just special cases in this paper. Some results are illustrated, which are meaningful to engineering practice. |
| Keywords: | foundation soils saturated soil cyclic loading semi pervious boundaries Laplace transform |
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