[1]张 超,张 磊,夏洋洋,等.基于界面形貌三维重构的高聚物-粉土剪切特性分析[J].郑州大学学报(工学版),2026,47(5):102-110.[doi:10.13705/j.issn.1671-6833.2025.05.010]
　ZHANG Chao,ZHANG Lei,XIA Yangyang,et al.Analysis of Polymer-silt Soil Shear Properties Based on Three-dimensional Reconstruction of Interfacial Morphology[J].Journal of Zhengzhou University (Engineering Science),2026,47(5):102-110.[doi:10.13705/j.issn.1671-6833.2025.05.010]
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基于界面形貌三维重构的高聚物-粉土剪切特性分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
47
期数:
2026年5期
页码:
102-110
栏目:
出版日期:
2026-09-10

文章信息/Info

Title:
Analysis of Polymer-silt Soil Shear Properties Based on Three-dimensional Reconstruction of Interfacial Morphology
文章编号:
1671-6833(2025)05-0102-09
作者:
张 超1,2,3,4, 张 磊1,2,3, 夏洋洋1,2,3, 王翠霞1,2,3, 刘铨鸿5,方宏远1,2,3,4, Timon Rabczuk6,王复明1,2,3,4
1. 郑州大学 水利与交通学院,河南 郑州 450001;2. 重大基础设施检测修复技术国家地方联合工程实验室,河南 郑州 450001;3. 地下工程灾变防控省部共建协同创新中心,河南 郑州 450001;4. 黄河实验室( 河南) ,河南 郑州 450001;5. 河南开放大学 建筑工程与智能建造学院,河南 郑州 450008;6. 魏玛包豪斯大学结构力学研究所, 德国魏玛 99425
Author(s):
ZHANG Chao1,2,3,4, ZHANG Lei1,2,3, XIA Yangyang1,2,3, WANG Cuixia1,2,3, LIU Quanhong5, FANG Hongyuan1,2,3,4,Timon Rabczuk6, WANG Fuming1,2,3,4
1. School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou 450001, China; 2. National Local Joint Engineering Laboratory of Major Infrastructure Testing and Rehabilitation Technology, Zhengzhou 450001, China; 3. Collaborative Innovation Center for disaster prevention and control of Underground Engineering Jointly Built by Provinces and Ministries, Zhengzhou 450001, China;4. Yellow River Laboratory ( Henan) , Zhengzhou 450001, China; 5. School of Building Engineering and Intelligent Construction, Henan Open University, Zhengzhou 450008, China; 6. Institute of Structural Mechanics, Bauhaus University Weimar, Weimar 99425, Germany
关键词:
高聚物-粉土;  界面剪切;  三维激光扫描;  界面形貌;  数值模拟
Keywords:
polymer-silt soil;  interfacial shear;  three-dimensional laser scanning;  interfacial morphology;  numerical simulation
分类号:
TU432
DOI:
10.13705/j.issn.1671-6833.2025.05.010
文献标志码:
A
摘要:
为探究高聚物密度对高聚物‑粉土界面接触形态及界面剪切特性的影响机制，采用界面无损分离与三维激光扫描相结合的方法，开展了高聚物‑粉土三维界面形貌特征扫描试验，得到了不同密度下的界面粗糙度参数。结合界面直剪试验，研究了不同高聚物密度影响下高聚物‑粉土界面粗糙度参数、界面剪应力‑位移关系、界面剪切力学强度参数及界面剪切强度的变化规律。在此基础上，利用COMSOL软件建立了一种随机三维粗糙界面有限元模型，进一步探讨了不同界面粗糙度下高聚物‑粉土界面剪切损伤机制。结果表明：基于三维界面重构的有限元数值模型可准确预测不同密度下高聚物‑粉土界面剪切应力‑位移关系，且高聚物‑粉土界面在直剪荷载下的主要损伤特征表现为界面凸起处形成的应力集中，密度越大凸起点越多，应力集中越明显。高聚物‑粉土界面粗糙度和剪切强度均随高聚物密度的增大而增大，且高聚物‑粉土界面粗糙度和剪切强度满足线性关系。
Abstract:
To investigate the influence mechanism of polymer density on the contact morphology and interfacial shear properties of the polymer‑silt interface, a combined method of interface nondestructive separation and three‑dimensional laser scanning was employed, and scanning tests on the three‑dimensional topographic features of the polymer‑silt interface were carried out, by which the interfacial roughness parameters under different densities were obtained. In conjunction with interfacial direct shear tests, the variations of interfacial roughness parameters, interfacial shear stress‑displacement relationships, interfacial shear mechanical strength parameters, and the correlation between roughness parameters and interfacial shear strength under the influence of different polymer densities were studied. Based on this, a stochastic three‑dimensional rough interface finite element model was established using COMSOL software, and the shear damage mechanism of the polymer‑silt interface under different interfacial roughness levels was further explored. The results showed that the finite element numerical model based on three‑dimensional interface reconstruction could be used to accurately predict the shear stress‑displacement relationships of the polymer‑silt interface at different densities, and the primary damage characteristic of the polymer‑silt interface under direct shear loading was manifested as stress concentration formed at interfacial asperities, with higher polymer density leading to more asperities and more pronounced stress concentration. Both the interfacial roughness and shear strength of the polymer‑silt interface were increased with increasing polymer density, and a linear relationship was satisfied between the interfacial roughness and shear strength of the polymer‑silt interface.

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更新日期/Last Update: 2026-09-07