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弹粘塑性3D-FEM在地基蠕变沉降预测中的应用
3D-FEM Application to the Prediction of Creep Settlement of Soft Clay Considering Elastic-visco-plastic Constitution
【摘要】 采用适用于上海饱和软土的粘弹塑性模型 ,研制了三维有限元软件 .应用该软件对上海华盛路住宅大楼地基沉降进行了预测 ,并与实测值进行了对比 .结果表明 ,采用该本构模型和分步施加荷载方法进行地基蠕变沉降预测是可靠的 .
【Abstract】 The elastic visco plastic constitution has been employed in programming 3D?FEM for the soft saturated clay in Shanghai.The program also has been applied to predicting the foundation settlement of residence building at Huasheng road.The comparison between the predicted value and measured value proves that it is reliable to adopt the constitution and step loading method in the creep settlement.
【关键词】 粘弹塑性模型;
流变;
线性;
三维有限元;
【Key words】 elastic visco plastic constitution model; rheologic; linear; three dimensional finite element;
【Key words】 elastic visco plastic constitution model; rheologic; linear; three dimensional finite element;
- 【文献出处】 同济大学学报(自然科学版) ,Journal of Tongji University , 编辑部邮箱 ,2001年02期
- 【分类号】TU433
- 【被引频次】26
- 【下载频次】192