Numerical Analysis Method That Considers Weathering and Water-Softening Effects for the Slope Stability of Carbonaceous Mudstone
Bibliographic Data
| ID | 15478649 |
|---|---|
| Authors | Yeyang Fu (Changsha University of Science and Technology), Zhaohui Liu (0000-0001-6205-4731, Changsha University of Science and Technology), Ling Zeng (0000-0002-7228-0027, Changsha University of Science and Technology), Qian-Feng Gao (0000-0003-4844-2345, Changsha University of Science and Technology, corresponding author), Jintao Luo (0009-0001-9213-3040, Changsha University of Science and Technology), Xinhui Xiao (Hunan University of Technology) |
| Year | 2022 |
| Volume | 19 |
| Issue | 21 |
| Pages | 14308-14308 |
| Publication date | 2022-11-02 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph192114308 |
| PMID | 36361191 |
| OpenAlex | W4308119363 |
| Language | EN |
| Citations received | 1 |
The mechanical behavior of carbonaceous mudstone deteriorates greatly when exposed to wet environments, and the precise evaluation of its slope stability has been a difficulty. This study aims to establish a numerical analysis method for the instability problems of its slopes; this method considers the effects of weathering and water-softening by establishing their mathematical expressions. The weathering and water-softening effects are reflected by variations in the mechanical properties (e.g., elastic modulus, angle of internal friction, and cohesion) of carbonaceous mudstone, with the depth following a logistic function and the shear strength parameters varying with wetting duration and degree of saturation. Their weathering and water-softening effects are reproduced with the use of the ABAQUS finite-element software and MATLAB programming. The proposed numerical method is applied to analyze the seepage field and stability of a highway cut slope with and without protection structures; the application results show that the proposed numerical method is reliable in analyzing the slope's instability problem. The use of the herringbone skeleton structures can reduce the water-softening effects and thus increase the safety factor of the slope. The findings of this study could provide guidance to the design and construction of highway cut slopes in mountain areas that are rich in carbonaceous mudstone
Cohesion (chemistry · Composite material · Elastic modulus · Factor of safety · Geomorphology · Geotechnical engineering · Instability · Mechanics · Modulus · Porosity · Saturation (graph theory · Slope stability · Slope stability analysis · Softening · Water damage · Water saturation · Weathering · Chemistry · Geotechnical Engineering and Analysis · Landslides and related hazards · Materials Science · Mathematics · Soil and Unsaturated Flow · Geology · Numerical Analysis
| Unique citing works | 1 |
|---|---|
| Citations per year | 1 |
| Citation span | 2025 - 2025 (1) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 1 |