小应变土体硬化模型参数取值研究现状与展望

罗敏敏; 陈赟; 周江

doi:10.13204/j.gyjzG20123002

小应变土体硬化模型参数取值研究现状与展望

doi: 10.13204/j.gyjzG20123002

罗敏敏^1,2,
陈赟²,
周江²

1. 浙江大学, 杭州 310027;
2. 浙江大学建筑设计研究院有限公司, 杭州 310028;
3. 浙江大学平衡建筑研究中心, 杭州 310028

基金项目:

浙江省建设科研项目（2019K029）；上海隧道工程有限公司专项研究科研项目（2018-SK-14）。

详细信息

作者简介:
罗敏敏,男,1988年出生,博士。电子信箱:zjluominmin@163.com

计量
- 文章访问数: 734
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- 被引次数: 0
出版历程
- 收稿日期: 2020-12-30
- 网络出版日期: 2021-08-19

RESEARCH STATUS AND PROSPECT OF PARAMETER SELECTION FOR THE HS-SMALL MODEL

1. Zhejiang University, Hangzhou 310027, China;
2. The Architectural Design and Research Institute of Zhejiang University Co., Ltd., Hangzhou 310028, China;
3. Center for Balance Architecture, Zhejiang University, Hangzhou 310028, China

摘要

摘要: 小应变土体硬化模型（HSS模型）是在硬化土模型（HS模型）基础上考虑土体小应变特性而提出的，在模拟和预测对变形控制要求严格的地下工程的变形规律和变形量方面，有着较高的精度，通常与实测数据吻合良好。因此，越来越多的地下工程的数值模拟采用HSS模型。但HSS模型的参数较多，参数取值比较困难和麻烦，常规岩土工程勘察报告通常不提供HSS模型的相关参数，需要进一步开展一些高精度、长周期的室内试验才能获取。因此，总结现有关于HSS模型参数取值的研究成果，为后续工作提供参考，具有十分重要的意义。在国内外大量研究文献的基础上，通过总结小应变土体硬化模型参数取值的方法和建议值；进一步指出了现有研究存在的不足，为进一步的研究工作提供参考。
- 地下工程 /
- 数值分析 /
- HSS模型 /
- 参数取值
Abstract: The HS-Small model (the HSS model) was proposed based on the hardening soil model (the HS model) considering the small strain characteristics of soils, which is more accurate in simulating and predicting the deformation of underground engineerings and can meet the strict deformation control requirements, the numerical analysis results by the HSS model agree well with the measured data. Therefore, more and more numerical analysis of underground engineerings have adopted the HSS model. However, the HSS model has many parameters, and it is difficult and inconvenient to obtain the parameter values. Conventional geological survey reports hardly provide the relevant parameter values of the HSS model, and some high-precision, long-period indoor tests need to be conducted to measure them. Therefore, it is necessary and meaningful to summarize the research status of parameter selection for the HSS model, which can provide engineering experiences and reference to subsequent projects. On the basis of research on a large number of documents at home and abroad, the calculating methods for parameters of the HSS model and the recommended values were summarized.On the other hand, some deficiencies in existing research results were pointed out,which could provide some reference to further research.
- underground engineering /
- numerical analysis /
- the HS-Small model /
- parameter selection

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参考文献(69)

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