| 修正塑性功硬化参数双屈服面模型在上海软土基坑开挖中的应用 |
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| 引用本文： | 马险峰,徐良义,刘畅,田小芳.修正塑性功硬化参数双屈服面模型在上海软土基坑开挖中的应用[J].路基工程,2016,0(6):54-58. |
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| 作者姓名： | 马险峰 徐良义 刘畅 田小芳 |
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| 作者单位： | 1.同济大学土木工程学院, 上海 200092 |
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| 摘 要： | 在介绍以修正塑性功为硬化参数的双屈服面模型基础上，对上海软土进行了三轴试验。通过对试验数据的处理和拟合，得到了双屈服面模型的相关参数。应用该模型对上海软土地区的深基坑变形进行计算，并与实测结果进行对比，两者较为吻合。
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| 关 键 词： | 上海软土 双屈服面模型 基坑变形 三轴试验 数值分析 |
| 收稿时间： | 2019-11-11 |
Application of a Double-yield Surface Model with Revised Plastic Work as Hardening Parameter in Soft Soil Foundation Excavation in Shanghai |
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| Abstract: | On the basis of introducing the double yield surface model with the modified plastic work as the hardening parameter, the triaxial tests of the soft soil in Shanghai was carried out. By processing and fitting the test data, the related parameters of the double yield surface model were obtained. The model was used to calculate the deformation of deep foundation pit in soft soil area of Shanghai, and the results were compared with the measured results. The results are identical. |
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