Study on particle loss-induced deformation of gap-graded soils: role of particle stress

Cheng, Kuang; Ping, Xinyu; Han, Buyao; Wu, Hao; Liu, Hongshuai

doi:10.1007/s11440-024-02377-x

Acta Geotech.

2024

DOI: 10.1007/s11440-024-02377-x

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Study on particle loss-induced deformation of gap-graded soils: role of particle stress

Kuang Cheng,

Xinyu Ping,

Buyao Han

et al.

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Cited by 3 publications

References 63 publications

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Numerical investigation of the Baige landslide-induced wave propagation in a narrow river channel

Wu,

Zhong,

Nian

et al. 2025

Bull Eng Geol Environ

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Numerical investigation of the Baige landslide-induced wave propagation in a narrow river channel

Wu,

Zhong,

Nian

et al. 2025

Bull Eng Geol Environ

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Analytical Study on Water and Heat Coupling Process of Black Soil Roadbed Slope in Seasonal Frozen Soil Region

Su,

Hai,

Wang

et al. 2024

Sustainability

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The hydrothermal properties of black soils in seasonal frozen regions are more complex during the freezing process. In the context of the freezing and thawing cycles of black soil within seasonal freeze–thaw regions, there is a limited application of mathematical models to characterize the interplay between water and thermal dynamics. Therefore, existing models for analyzing water and heat in black soil in seasonal frozen regions may not be applicable or accurate. The application of existing models to the water and heat problems of black soil in seasonal frozen regions is important and innovative. This study is grounded in Darcy’s law pertaining to unsaturated soil water flow and is informed by principles of mass conservation, energy conservation, and conduction theory. The research begins with the establishment of definitions for relative saturation and the solid–liquid ratio through mathematical transformations. Subsequently, a theoretical model is developed to represent the water–heat coupling in black soil, utilizing relative saturation and temperature as field functions. The model’s validity is confirmed through its integration with experimental data from a black soil freezing and thawing model test. Furthermore, the analysis delves into the distribution of the temperature field, water field, and ice content that arise from the phase change processes occurring during the freezing and thawing of black soil roadbed slopes. There is a theoretical basis for the prevention and control of disasters associated with black soil roadbed slopes in seasonal frozen areas.

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Natural Hazard Assessment in the Southeastern Margin of the Ría de Arosa (Pontevedra, Spain) Using GIS Techniques

Nieto,

Martínez-Graña,

Merchán

2024

Sustainability

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The characterization of natural hazards in coastal environments is of great necessity, especially in the current context of global climate change and increasing population concentrations. This research focuses on a multi-hazard analysis of the main geotechnical, geomorphological, hydrological, and lithological risks in the southeastern margin of the Ría de Arosa using Geographic Information System techniques. The integration of geotechnical characterization maps and natural hazard maps has allowed for the identification of areas with a high susceptibility to natural disasters, which is crucial for territorial planning and management in the context of growing urban pressure and global climate change. The results indicate that poorly consolidated surface formations, especially in transitional areas such as dunes and marshes, are particularly vulnerable. Additionally, areas with higher lithological competence have been identified, where slope changes contribute to ground instability. This analysis provides valuable tools for decision-making and the implementation of risk management policies, promoting sustainable development, the protection of coastal ecosystems, and the prevention of risks from urban planning and civil engineering activities in the Ría de Arosa.

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Study on particle loss-induced deformation of gap-graded soils: role of particle stress

Cited by 3 publications

References 63 publications

Numerical investigation of the Baige landslide-induced wave propagation in a narrow river channel

Numerical investigation of the Baige landslide-induced wave propagation in a narrow river channel

Analytical Study on Water and Heat Coupling Process of Black Soil Roadbed Slope in Seasonal Frozen Soil Region

Natural Hazard Assessment in the Southeastern Margin of the Ría de Arosa (Pontevedra, Spain) Using GIS Techniques

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