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Stability Analysis of Loess Embankment Slope Under Freeze-Thaw Cycles
Based on ABAQUS software, the loess slope in seasonal frozen soil in the Hebei section of the Yanchong Expressway is numerically simulated using experimentally measured physical and mechanical parameters of collapsible loess. By analyzing the pore water pressure, displacement increment, and slope safety factor, the influence of cement content in the lime-soil seal, freeze-thaw cycle, and lime-soil seal under freeze-thaw cycle on the stability of the embankment slope is studied. The results show that a lime-soil seal with a certain amount of cement plays a role in blocking water and thus improves the impermeability and frost resistance of the slope. The frost resistance provided by the lime-soil seal makes the embankment slope stable under repeated freeze-thaw cycles. Considering the effect of reducing deformation and increasing the safety factor of a lime-soil seal with different cement content and economic factors, a cement content of 5% is recommended.
Stability Analysis of Loess Embankment Slope Under Freeze-Thaw Cycles
Based on ABAQUS software, the loess slope in seasonal frozen soil in the Hebei section of the Yanchong Expressway is numerically simulated using experimentally measured physical and mechanical parameters of collapsible loess. By analyzing the pore water pressure, displacement increment, and slope safety factor, the influence of cement content in the lime-soil seal, freeze-thaw cycle, and lime-soil seal under freeze-thaw cycle on the stability of the embankment slope is studied. The results show that a lime-soil seal with a certain amount of cement plays a role in blocking water and thus improves the impermeability and frost resistance of the slope. The frost resistance provided by the lime-soil seal makes the embankment slope stable under repeated freeze-thaw cycles. Considering the effect of reducing deformation and increasing the safety factor of a lime-soil seal with different cement content and economic factors, a cement content of 5% is recommended.
Stability Analysis of Loess Embankment Slope Under Freeze-Thaw Cycles
Lecture Notes in Civil Engineering
Liu, TianQiao (editor) / Liu, Enlong (editor) / Zhang, Guoxiang (author) / Ma, Zhanhai (author) / Zhao, Wei (author)
International Conference on Advanced Civil Engineering and Smart Structures ; 2023 ; Chengdu, China
2024-03-14
12 pages
Article/Chapter (Book)
Electronic Resource
English
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