| 一维地面沉降模型及其求解 |
| |
| 引用本文： | 张云. 2002: 一维地面沉降模型及其求解. 工程地质学报, 10(4): 434-437. |
| |
| 作者姓名： | 张云 |
| |
| 作者单位： | 1.南京大学地球科学系,南京210093 |
| |
| 摘 要： | 推导了以垂向有效应力为基本变量的一维地面沉降的普遍模型 ,并用半解析方法予以求解。模型考虑了土体变形过程中渗透系数和压缩性随有效应力的变化而变化的特性 ,反映了土体变形的非线性特征。计算实例表明 ,该模型的计算结果比太沙基方法的计算结果有了很大程度的改善 ,与实际情况非常接近。
|
| 关 键 词： | 地面沉降 一维数学模型 半解析方法 |
| 收稿时间： | 2001-10-18 |
| 修稿时间： | 2001-10-18 |
ONE-DIMENSIONAL MODEL FOR LAND SUBSIDENCE AND ITS SOLUTION |
| |
| ZHANG Yun. 2002: ONE-DIMENSIONAL MODEL FOR LAND SUBSIDENCE AND ITS SOLUTION. JOURNAL OF ENGINEERING GEOLOGY, 10(4): 434-437. |
| |
| Authors: | ZHANG Yun |
| |
| Affiliation: | 1.Department of Earth Science, Nanjing University, Nanjing 210093 |
| |
| Abstract: | One-dimensional general model of land subsidence due to pumping is deduced and a semi-analytical method is used to solve this deviatoric differential equation. The model takes vertical effective stress as a basic variatable and considers the variation of permeability coefficient and compression coefficient with the vertical effective stress. The actual case shows that the result from the proposed model is much better than Terzaghi's theory and very close to the measured result. |
| |
| Keywords: | Land subsidence One-dimensional model Semi-analytical method |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《工程地质学报》浏览原始摘要信息 |
|
点击此处可从《工程地质学报》下载全文 |
