Analysis of Polymer-silt Soil Shear Properties Based on Three-dimensional Reconstruction of Interfacial Morphology
[1]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(XX):1-10.[doi:10.13705/j.issn.1671-6833.2025.05.010]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
47
Number of periods:
2026 XX
Page number:
1-10
Column:
Public date:
2026-09-10
- Title:
- Analysis of Polymer-silt Soil Shear Properties Based on Three-dimensional Reconstruction of Interfacial Morphology
- Keywords:
- polymer-silt soil; interfacial shear; three-dimensional laser scanning; interfacial morphology; numerical simulation
- CLC:
- TU432
- Abstract:
- To investigate the influence mechanism of polymer density on the contact morphology and interfacial shear properties of polymer–silt soil interface, using a non-destructive method for separating interfaces, combined with three-dimensional laser scanning, the scanning test of three-dimensional interfacial topographic features of polymer-silt was carried out, and the interfacial roughness parameters were obtained under different densities. Combined with the interfacial direct shear test, investigated under the influence of different polymer density, polymer-silt interface roughness parameters, interfacial shear stress-displacement relationship, interfacial shear mechanical strength parameters, and the change laws of interfacial roughness parameters and interfacial shear strength. Based on this, a finite element model of a random three-dimensional rough interfacial was established by using COMSOL software to further explore the shear damage mechanism of polymer-silt soil interface under different interfacial roughness. The results show that the finite element numerical model based on three-dimensional interface reconstruction can accurately predict the shear stress-displacement relationship of polymer–silt soil interface under different densities, and the main damage feature of polymer–silt soil interface under direct shear load is the stress concentration formed at the interface bumps, and the greater the density, the more the bumps, and the more obvious the stress concentration. The roughness and shear strength of the polymer-silt soil interface increase with the increase of polymer density, and the roughness and shear strength of the polymer-silt soil interface satisfy the linear relationship.
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Last Update:
2026-01-15
