| 应变软化Tresca材料中扩孔问题解答及其应用 |
| |
| 引用本文： | 梁发云,陈龙珠.应变软化Tresca材料中扩孔问题解答及其应用[J].岩土力学,2004,25(2):261-265. |
| |
| 作者姓名： | 梁发云 陈龙珠 |
| |
| 作者单位： | 上海交通大学建工学院 安全与防灾工程研究所，上海，200030 |
| |
| 基金项目： | 上海市教育发展基金会“曙光计划(2001)”项目。 |
| |
| 摘 要： | 依据常规试验成果，对岩土材料的剪胀、剪缩和应变软化特性进行简化后，利用弹塑性理论和体积平衡原理，推导出应变软化Tresca材料中扩孔问题的一般解答，并分析了不排水饱和土扩孔问题的规律性，对解决诸如沉桩挤土效应等工程问题具有一定的应用价值。
|
| 关 键 词： | 剪胀 应变软化 Tresca屈服准则 扩孔 饱和软粘土 |
| 文章编号： | 1000-7598-(2004)02-0261-05 |
| 收稿时间： | 2002-11-14 |
| 修稿时间： | 2002年11月14 |
Analytical solution to cavity expansion in strain-softening soils with Tesca yield criterion and its applications |
| |
| LIANG Fa-yun,CHEN Long-zhu.Analytical solution to cavity expansion in strain-softening soils with Tesca yield criterion and its applications[J].Rock and Soil Mechanics,2004,25(2):261-265. |
| |
| Authors: | LIANG Fa-yun CHEN Long-zhu |
| |
| Institution: | Institute of Disaster Prevention, School of Civil Engineering and Mechanics, Shanghai Jiaotong University, Shanghai 200030, China |
| |
| Abstract: | Based on conventional experiment results, a simplified constitutive model is given to simulate the strain-softening and shear dilating characters of soils. By using elastoplastic theory and volume-balance equation, an analytical solution to cavity expansion of saturated clays is established with Tresca yield criterion. The regularities of cavity expansion in saturated clays are analyzed under undrained condition. The results have practical significances for analyzing engineering problems such as static piling in clays. |
| |
| Keywords: | shear dilation strain-softening Tresca yield criterion cavity expansion saturated clays |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《岩土力学》浏览原始摘要信息 |
| 点击此处可从《岩土力学》下载免费的PDF全文 |
