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| 软土的弹塑性损伤模型在BiOt固结有限元中应用 | |
| 引用本文： | 孙红,赵锡宏,杨群兴. 软土的弹塑性损伤模型在BiOt固结有限元中应用[J]. 岩土力学, 2002, 23(2): 133-136 |
| 作者姓名： | 孙红 赵锡宏 杨群兴 |
| 作者单位： | 1. 上海交通大学建工学院,上海,200030 2. 同济大学地下建筑与工程系,上海,200092 3. 广东省地矿局水文工程地质一大队,广东,湛江,524033 |
| 基金项目： | 同济大学与新加坡国立大学合作项目 |
| 摘 要： | 在Biot固结理论基础上，引入弹塑性损伤本构关系，建立了固结分析有限元方程。对某试验路堤进行了损伤模型计算与弹塑性模型计算的结果比较。结果表明：损伤模型的计算结果大于弹塑性模型的计算结果；损伤随着加荷时间的增长而增大；路基中心线和路基坡脚下的土损伤程度较大。 |
| 关 键 词： | 软土 各向异性 损伤 弹塑性 Biot固结 有限元 土力学 |
| 文章编号： | 1000-7598-(2002)02-0133-04 |
| 修稿时间： | 2000-10-26 |
Application of elastoplastic damage model of soft soils to Biot''s consolidation theory |
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| SUN Hong ,ZHAO Xi-hong ,YANG Qun-xing. Application of elastoplastic damage model of soft soils to Biot''s consolidation theory[J]. Rock and Soil Mechanics, 2002, 23(2): 133-136 | |
| Authors: | SUN Hong ZHAO Xi-hong YANG Qun-xing |
| Affiliation: | SUN Hong 1,ZHAO Xi-hong 2,YANG Qun-xing 3 |
| Abstract: | Based on Biot's consolidation theory,the elastoplastic damage model is applied,then the consolidation equation of finite element analysis is established.A trial embankment is analysed with damage model and compared with the results of Ohta-Sekiguchi's elastoplastic model.The results of damage model are bigger than that of elastoplastic model.The longer time of loading,the larger damage accumulation.Under the centre and toe of the embankment,damage becomes serious.Under the centre of the embankment,vertical damage values are bigger than horizontal ones.Under the toe of the embankment,horizontal damage values are bigger than vertical ones. |
| Keywords: | soft soil anisotropy damage elastoplasticity Biot's consolidation finite element |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
